Regex Capture Multiple Lines

Regex Capture Multiple Lines

API documentation for the Rust `regex` crate. Note: s could be empty and contains only lowercase letters a-z. If your regular expression uses the “g” flag, you can use the exec method multiple times to find successive matches in the same string. For example, say you wanted to login to a server. *?}' testttt Solution with nice explanation can be found (and is stolen:) ) from stackoverflow. But sometimes we have the condition that this pattern is preceded or followed by another certain pattern. Multiline argument was passed as the third parameter to the Regex. XXXXXXXX is the string that the text has to end with. To match multiple lines, add (?s) prefix or enable the Pattern. Use regex capturing groups and backreferences You can put the regular expressions inside brackets in order to group them. And this should be caught as well. Since you can make a script an AWK executable by mentioning "#!/bin/awk -f" on the first line, including an AWK script inside a shell script isn't needed unless you want to either eliminate the need for an extra file, or if you want to pass a variable to the insides of an AWK script. Here is the detail of parameters − regex − the regular expression to which this string is to be matched. In Python regular expressions, the syntax for named regular expression groups is (?Ppattern), where name is the name of the group and pattern is some pattern to match. I definitely believe that regular expressions should be…. Quantifiers specify how many instances of a character, group, or character class must be present in the input for a match to be found. at Regular expressions can conveniently be created using rex::rex(). BBEdit does this task beautifully. Regular Expressions. Note that if you wanted to support multi-line quotes in libraries without an option to make dots match newlines (e. Jeffrey Friedl's "Mastering Regular Expressions", published by O'Reilly, covers regular expressions in great detail. If you're after multiple matches in the same string, you can use the static matches method of regex: The subsequent array elements will be any capture groups. Case is ignored when trying to match the given regular expression. Match("string", "regex", RegexOptions. This works only when addr2 is a regular expression. How to extract the inner text from HTML using a Regular Expression. Another line to grab. The formula then uses the MID function to extract the desired line. Subject: Re: Using a regular expression to retrieve the text between two parentheses. Unfortunately, some tools use simple regular expressions and others use extended regular expressions and some extended features have been merged into simple tools, so that it looks as if every tool has its own syntax. NET RegEx engine. We typically recommend using Perl regular expressions, as these are far more powerful and robust than these two legacy styles. The hold space however is preserved. If you need to use the matched substring within the same regular expression, you can retrieve it using the backreference um, where num = 1. Using Regular Expressions in Groovy. I hope this Regex Cheat-sheet will provide such aid for you. For example, you can have a dataset as shown below, where you need to split multiple lines in the address (separated by line breaks) into separate cells. Online regex tester, debugger with highlighting for PHP, PCRE, Python, Golang and JavaScript. Note: you can specify module. The matching should cover the entire input string (not partial). Search and replace with regular expressions. To do so, use re_path() instead of path(). This is done by defining groups of characters and capturing them using the special parentheses (and ) metacharacters. The file_regex in the. *foo) If you used the DOTALL option the above expression would even work correctly on a multi-line text such as. The Java Matcher class (java. Or, in simpler language, I can create a regex pattern and use it to search a string for that pattern. 2 A very simple backup script. A lexer accepts regular expressions as input, scans a stream, picks out tokens that match the regular expressions, and classifies the token based on which expression it matched. The backslash gives special meaning to the character following it. String manipulation using Regular Expressions (Regex) MantasCode Parsing a string using Regular Expressions (Regex) Using the same root Pattern “(. The pattern ^dʒ will match dʒ at the beginning of a word, but not the middle or end. The syntax used in Python’s re module is based on the syntax used for regular expressions in Perl, with a few Python-specific enhancements. RegEx (Regular Expression) online tools Fab 07/03/2014 External tools , News In theoretical computer science and formal language theory, a regular expression (abbreviated regex or regexp) is a sequence of characters that forms a search pattern, mainly for use in pattern matching with strings, or string matching, i. The power of regular expressions lies in their use of wild cards, as we will see later. If the text being searched contains multiple lines, the anchors can be made to apply to each line rather than the text as a whole by means of the "m" option. Or I am ok with ({. The balancing group is a very useful but poorly documented part of the. Regular expressions are very useful to know when writing simple parsers since they allow us to express patterns of interest and to capture text that matches those patterns. I referred to several examples I was able to search, which seemed highly pertinent, but am still unable to get this to work. Because of this, the name on line 4 will trigger an invalid-name warning, even though the name matches the given regex. Regular Expressions - part 3. The moment nginx matches a regular expression location configuration, it will not look any further. 0 Vim can search for text that spans multiple lines. (2) to find a substring which matches certain pattern, from a whole text. Sometimes we need to look if a string matches or contains a certain pattern and that's what regular expressions (regex) are for. Use the form below to test regular expressions. perlretut - Perl regular expressions tutorial Note This is perlretut, one of the standard Perl manual pages. Create a character vector that contains a newline, \n, and parse it using a regular expression. Matches static method. DLL executable (same as -tWD) O2 = Generate fastest possible code Vx = Zero-length empty class member functions Ve = Zero-length empty base classes X- = use compiler autodependency output a8 = Quad word alignment aligns non-character data at. Double Quotes and Regular Expressions Double quotes around a string are used to specify a regular expression search (compatible with Perl 5. You now may define regular expressions, which describe the allowed barcode values. In addition to Perl regular expressions, UltraEdit supports two other "legacy" styles: a proprietary regular expression syntax and a basic Unix syntax. Revision history 28 Jul 2017: Post was created () I got the example idea from a Stack Overflow question where a method for getting the IP address of the primary DNS server was used like this. The word "Regular expression" is a mouthful, so you will usually find the term abbreviated as "regex" or "regexp". A regular expression enclosed in slashes (`/') is an awk pattern that matches every input record whose text belongs to that set. PowerShell MVP Jeff Hicks shows us how to achieve PowerShell string parsing with named captures and REGEX. Example: How to extract multiple regex patterns from a String. Regular Expression Library provides a searchable database of regular expressions. SetFontSize 28. The moment nginx matches a regular expression location configuration, it will not look any further. See how you can read in the lines of a file. *\n) tests for a string ending with \n, a newline. The second line is the only action performed by this script, which prints 'Hello World' on the terminal. This module will replace all instances of a pattern within a file. DLL q = Suppress compiler identification banner WD = Generate a. This regex has to capture groups when the token property is an array. Since regexp returns matchStr as a cell array containing text that has multiple lines, you can take the text out of the cell array to display all lines. Regular Expression in Java Capturing groups is used to treat multiple characters as a single unit. find("Hello Lua user", "banana") nil We can optionally specify where to start the search with a third argument. This week I've been using regular expressions quite a lot and I wanted to share with you some very useful tricks I've learnt along the year. In contrast, the reason I drum up the technique on this page as the "best regex trick ever" is that it has several properties:. Regular expressions are a language of their own. The greedy property of regular expressions is used to ensure the longest match. Advanced Filters: Excel’s Amazing Alternative To Regex One thing I’ve never understood about Excel is why it doesn’t support regular expressions (which the cool kids call regex). Working with Multi-line Strings. Regular Expressions 525 Multi-Line Mode – /m The string to be matched against is to be regarded as a collection of separate lines, with the result that the metacharacters ^ and $, which would otherwise just match the beginning and end of the entire text, now also match the beginning and end of each line. NET, the anchors match before and after newlines when you specify RegexOptions. echo "A comment will follow. R has various functions for regular expression based match and replaces. This is useful if you want to delete entire lines in a search-and-replace in a text editor, or collect entire lines in an information retrieval tool. If it captures groups, it must capture all of the string (since JS provides no way to find out where a group matched). OPERATORS =~ determines to which variable the regex is applied. SOAPFaultException: Failed to process response headers. +?)\1+$ regular expression can match non-prime numbers (in their unary form). For some people, when they see the regular expressions for the first time they said what are these ASCII pukes !! Well, A regular expression or regex, in general, is a pattern of text you define that a Linux program like sed or awk uses it to filter text. Working with EditPlus Text Editor-Regular Expression How To Editplus is a lot better than the regular text editor, Notepad. Url Matching for TireRack Match string not containing string capture group \1: backreference to group #1. Because the only other online tool I could find for testing. Several standard Ruby methods take Regexp objects, but the most basic use is a simple comparison. You can use tokens to match other parts of the same text. Regular Expression Methods. On Excel for Mac, use CHAR(13). The PCRE library is a set of functions that implement regular expression pattern matching using the same syntax and semantics as Perl 5. The same name can be used by more than one group, with later captures ‘overwriting’ earlier captures. In addition to all the above PowerShell also supports the quantifiers available in. I got a bunch of files in some directory (along with many other files) that I want to move. C# / C Sharp Forums on Bytes. If you haven't used regular expressions before, a tutorial introduction is available in perlretut. I thought about originally removing the dash lines altogether with the SEDCMD but they're the only consistent thing I can break events on. Netcat can be used instead of cat in case networking capabilities are important. Disconnected Desired output. When regular expressions are not sufficiently powerful. There is a version of cat called dog which adds to cat some networking capabilities like ability to access URLs not only plain files. We don't want to capture multiple fields within one set of quotes. The biggest restriction is that regular expressions match only within a single line, you cannot use multi-line regular expressions. The manual ("man") pages on Unix systems may be helpful (try "man sed", "man regexp", or the subsection on regular expressions in "man ed"), but man pages are notoriously difficult. Lets see how we can find and replace CR (Carriage Return) and LF (Line Feed) characters from a file using Notepad++ application on Windows operating system. Pythex is a real-time regular expression editor for Python, a quick way to test your regular expressions. This is very useful to apply the same change to multiple lines. Regular expressions allow us to not just match text but also to extract information for further processing. Capturing groups. jsSteven Wade using VerbalExpressions. In this case, the given regex will match the entire string, since "" is present. Is it common business practice to consider constructive break times as billable for consultants? Ask Question Asked 2 years ago. The PCRE functions are more powerful than the POSIX ones, and faster too, so we will concentrate on them. You can use captured groups within the regular expression itself (for example, to look for a repeated word), or in a replacement pattern. An article about string literals, escape sequences, regular expressions, and the problems encountered when mixing these together. Or at least a link where I could learn advaced stuff in a easy way. CapturePoint has the ability to incorporate Regular Expressions, or Regex, to increase the accuracy of classifications and index data. Regular Expressions can be extremely complex but they are very flexible and powerful and can be used to perform comparisons that cannot be done using the other checks available. I think PrefixSumComputer can handle this easily, as long as it's updated correctly on edits. RegEx can be used to check if a string contains the specified search pattern. How to extract the inner text from HTML using a Regular Expression. This means there are a number of methods we can use on our regex. The pattern to search for, as a string. Any subpattern inside a pair of parentheses will be captured as a group. Matcher is an engine that interprets the pattern and performs match operations against an input string. You can define a portion of the regular expression as the bit you want to "keep," or "capture. info to be a good online resource for more. Let’s demonstrate this with a simple Regex example. Regular expressions. topics – Comma-separated list of topics the kafka consumer will read messages from. name_mapper. This causes the regex engine to capture a copy of the text that matches the It actually. In the regex editor I can capture "type yellow {" with this regex (type. C# / C Sharp Forums on Bytes. You can use single quotes, double quotes, white space in different locations and multiple statements on a single line. A capture group delineates a subexpression of a regular expression and captures a substring of an input string. Notice that the year is in the capture group indexed at 1. If we know and require that this will be at the beginning of the string we should say that explicitly by adding a caret ^ at the beginning. By default, the comparison of an input string with any literal characters in a regular expression pattern is case sensitive, white space in a regular expression pattern is interpreted as literal white-space characters, and capturing groups in a regular expression are named implicitly as well as explicitly. This article introduces the basics of Grep, provides examples of advanced use and links you to further reading. The greedy property of regular expressions is used to ensure the longest match. "alexa?" Some characters have special meanings in a regular expression. Use \(and \) (slashes required!) to create a capturing group, which you can refer to in the replacement pattern as \1 (up to \9). Any subpattern inside a pair of parentheses will be captured as a group. So I call them "jQuery String Functions". Built with love by Steven Wade using VerbalExpressions. GNU grep which uses PCRE does not offer lookahead support, though PCRE does. You can click the result to see where it matched in the input, and click the reference items below to enter them into the regex. It should allow execution of any command that can be run from the command line. Or, in simpler language, I can create a regex pattern and use it to search a string for that pattern. Online regex tester, debugger with highlighting for PHP, PCRE, Python, Golang and JavaScript. The next column, "Legend", explains what the element means (or encodes) in the regex syntax. They are created by placing the characters to be grouped inside a set of parentheses. Regular expression tester. Oracle implemented the ability to use Regular Expressions in the Oracle 10g database, but Regular Expressions have been around for many years. Title: regexp-tip-sheet-v2 Author: Jason Secosky, SAS Institute Inc. Other questions have been posted around the solution by using regex lookaround assertions but it seems to be a problem with multiple lines. matches any character except newline \ (multi-line match) \Z:. We have trained over 90,000 students from over 16,000 organizations on technologies such as Microsoft ASP. Regular Expression Methods. Regex to capture and save in the variable. Many different applications claim to support regular expressions. Regex Storm is a free tool for building and testing regular expressions on the. A lookahead doesn’t consume characters in the string, but only asserts whether a match is possible or not. Grab a list of strings. To match multiple lines, add (?s) prefix or enable the Pattern. gulp-regex-shuffler. See SPL and regular expressions in the Search Manual. The following are some key points of introduction to the VBScript language by microsoft A "procedure" is the main construct in VBScript for separating code into smaller modules. For example, say you wanted to login to a server. If we know and require that this will be at the beginning of the string we should say that explicitly by adding a caret ^ at the beginning. This vignette describes the key features of stringr’s regular expressions, as implemented by stringi. # This line is a comment. SOAPFaultException: Failed to process response headers. A regular expression, or regex for short, is a pattern describing a certain amount of text. So a regex that works on the search path is. Each subsequent element, from index one upward, represents a captured group, if the regular expression includes. Here is a regular expression list. Regular Expression Flags; i: Ignore case: m ^ and $ match start and end of line: s. Regular expressions are sequences of characters that define a search pattern. The transformation is designed around the named capture groups or match groups, and even supports multiple expressions. Take a look at Makefile/Make. The next column, "Legend", explains what the element means (or encodes) in the regex syntax. On Excel for Mac, use CHAR(13). Sometimes it is necessary to have multiple matching, but alternating subgroups in a regular expression. Therefore, if given:. Notice that the year is in the capture group indexed at 1. 0 through 4. Other questions have been posted around the solution by using regex lookaround assertions but it seems to be a problem with multiple lines. The regular expressions library provides a class that represents regular expressions, which are a kind of mini-language used to perform pattern matching within strings. jeo on Find/Replace: Allow matching across lines ( or multiline regex) or replacement text containing newlines. If multiple Capturing Groups exist in the Regular Expression, the values from all Capturing Groups will be concatenated together. DONOTEDITTHISFILE!!!!! !!!!!$$$$$ !!!!!///// !!!"!&!&!+!+!S!T![!^!`!k!p!y! !!!"""'" !!!&& !!!'/'notfoundin"%s" !!!) !!!5" !!!9" !!!EOFinsymboltable !!!NOTICE. Neither this line. 4) Using Regular Expression replace pattern ~ to an empty string and then store it in a output variable. In Emacs regex, \n doesn't match a new line character \n. Some regular expressions and their characteristics Bracket Bracket as regular from IT S530 at American College of Commerce & Technology. By default, the comparison of an input string with any literal characters in a regular expression pattern is case sensitive, white space in a regular expression pattern is interpreted as literal white-space characters, and capturing groups in a regular expression are named implicitly as well as explicitly. com, you might be coming for a few different reasons. But without the "m" option, it wouldn't match. On Excel for Mac, use CHAR(13). Capture values using multiple regex patterns. The power of regular expressions comes from the ability to include alternatives and repetitions in the pattern. Jeffrey Friedl's "Mastering Regular Expressions", published by O'Reilly, covers regular expressions in great detail. The regex patterns in this gist are intended to match any URLs, # Multi-line commented version of same pattern: while the rest of the regex uses non-capturing. If a regular expression string includes a backslash, you should tell Python not to preprocess the string, by using a raw string with an r prefix: r. Or at least a link where I could learn advaced stuff in a easy way. To match multiple lines, add (?s) prefix or enable the Pattern. By default, the comparison of an input string with any literal characters in a regular expression pattern is case sensitive, white space in a regular expression pattern is interpreted as literal white-space characters, and capturing groups in a regular expression are named implicitly as well as explicitly. If your regular expression is dynamic, it is better to use the regex constructor method. But there could be any number of them, they could contain any characters, and there sometimes could be a line of dashes at the end. A capture group delineates a subexpression of a regular expression and captures a substring of an input string. Especially in ksh there are quantifiers for whole patterns:. 66id more text here the "id" tags remain constant, what changes is the number in. But however clever these tricks, I would not call any of them the "best regex trick ever", for the simple reason that they are one-off techniques with limited scope. When more than one match is found, Select-string still emits only one MatchInfo object for the line, but the Matches property of the object contains all of the matches. ¶01; Third paragraph. The restriction or address immediately precedes. The m tells the code it is a multi-line entry, but importantly allows the use of ^ and $ to work when showing start and end. If you haven't used regular expressions before, a tutorial introduction is available in perlretut. The greedy property of regular expressions is used to ensure the longest match. Question mark: This means to be conservative, not greedy. Regex Tester isn't optimized for mobile devices yet. Note that a few advanced features aren't useful yet but are ready for future Tcl releases. 4 Meta characters ¶ Regular expressions use certain characters as meta characters - these characters have a special meaning to the RE engine. Linux, android, bsd, unix, distro, distros, distributions, ubuntu, debian, suse, opensuse, fedora, red hat, centos, mageia, knoppix, gentoo, freebsd, openbsd. Regular Expression can be used in Content Filter conditions. A here-document allows you to create a string that spreads on multiple lines and preserves white spaces and new-lines. This allows you to match multiple responses. How to write Regular Expressions? A regular expression (sometimes called a rational expression) is a sequence of characters that define a search pattern, mainly for use in pattern matching with strings, or string matching, i. Symbol Description ( ) " " (where n is a number from 1 to 9) when added to the end of a regular expression pattern allows you to back reference a subpattern within the pattern, so the value of the subpattern is remembered and used as part of the matching. Regex problem. When you learn a new programming language, they're this little sub-language that makes no sense at first glance. I have a block of text, with is an output from a previous command. For full information see perlre and perlop, as well as the SEE ALSO section in this document. How to use regular expressions in Notepad++ (tutorial) In case you have the plugins installed, try Ctrl+R or in the TextFX -> TextFX Quick -> Find/Replace to get a sophisticated dialogue including a drop down for regular expressions and multi line search/replace. Case is ignored when trying to match the given regular expression. Oracle implemented the ability to use Regular Expressions in the Oracle 10g database, but Regular Expressions have been around for many years. This is done by defining groups of characters and capturing them using the special parentheses (and ) metacharacters. regex and goes against the popular belief that only backtracking implementations can handle backreferences. ) If there are several matches on one line, they are printed on separate lines. When you need to leverage regex in PowerShell you'll be using the. This article introduces the basics of Grep, provides examples of advanced use and links you to further reading. 3) Now in Update List Item workflow action, wherever line break is needed in the multi-line text field, add "Empty Line Break". We also use these cookies to improve our products and services, support our marketing campaigns, and advertise to you on our website and other websites. Putting it all together # Say you have _raw data equal to the following. To allow the expression to span multiple lines we can add (?ms) to the beginning of the expression. Because the only other online tool I could find for testing. RegEx matching string across mutiple lines - does not support across-line regexes, regular expression mode but for multiline regex and multiple regex-commands. If we know and require that this will be at the beginning of the string we should say that explicitly by adding a caret ^ at the beginning. ----- The information that I want to get can be a single line or multiple lines. Add text to the beginning of each line Ctrl+H type “^” in the “Find” type text you want to add in “Replace with” Choose the “Regular expressions” checkbox 2. Comments may also occur following the end of a command. For example, the regular expression (dog) creates a single group containing the letters "d" "o" and "g". As a result, looping through a list of files to find a particular text string (or several text strings) is easy to do. Multiple identical headers may be folded into one single line, delimiting the values with commas, provided that their order is respected. First line was just an example for your issue. Back to top 2) Replace multiple patterns in that string. Saturday, December 4, 2010. I wonder if you have any understanding of the function of wechat friend circle sending video capture or apple video shooting and video editing (the author also guesses that this function of wechat is also similar to Apple). We could do that manually and read every last email ourselves, or we could leverage the power of Python and regex: regular expressions. For advanced examples, see Advanced Regular Expression Examples You can also find some regular expressions on Regular Expressions and Bag of algorithms pages. Full highlighting of regex syntax. find("Hello Lua user", "banana") nil We can optionally specify where to start the search with a third argument. It seems that setting multiple? to True or False does not help. What is regex. You can still take a look, but it might be a bit quirky. The target sequence is either s or the character sequence between first and last, depending on the version used. NET regex tester and complete. If you need to use the matched substring within the same regular expression, you can retrieve it using the backreference um, where num = 1. at Regular expressions can conveniently be created using rex::rex(). Scrape using Regular Expressions. There are plans to improve this support by using the PCRE library (used elsewhere in PN2) to provide document searching. The manual ("man") pages on Unix systems may be helpful (try "man sed", "man regexp", or the subsection on regular expressions in "man ed"), but man pages are notoriously difficult. *?}' testttt Solution with nice explanation can be found (and is stolen:) ) from stackoverflow. The below expression tests for at least one word per line for at least 3 lines and no more than 10 lines:. A regular expression, or regexp, is a way of describing a set of strings. for a string abc\n, $ matches the position between c and \n? What is the regex that matches \n?. * Creating advanced search-time field extractions that involve one or more of the following: * Reuse of the same field-extracting regular expression across multiple sources, source types, or hosts. You may sometimes need to apply the 'Capture more content' option before selecting the 'Capture HTML' option to make sure that the HTML displayed in preview area contains the URL to be opened. *?}' testttt Solution with nice explanation can be found (and is stolen:) ) from stackoverflow. InnerText-, however this requiring you add an extra library to your project, and have. but it doesn't work when it is in stdout_lines. This requires PERL = TRUE. Also, with regex engines which support negative lookbehinds (i. The s tells the code NOT TO stop searching when it encounters (line break) - this is important with multi-line entries for example text from an editor that needs search. Regular Expression Tester with highlighting for Javascript and PCRE. Regular Expression in Java Capturing groups is used to treat multiple characters as a single unit. On an actual credit card, the digits of the embossed. Only use $1, $2, etc. Sed is a stream editor. echo "A comment will follow. Regular expressions are an integral part of the m//, s///, qr// and split operators and so this tutorial also overlaps with Regexp Quote-Like Operators in perlop and split. Much cleaner API now. Has proper looping structures. Perl's regular expression engine applies these patterns to match or to replace portions of text. If you don't know how to use them, try consulting the man pages for ed, egrep, vi, or regex. So some day I want to output capture group only. Matching Whole Lines of Text. UNIX system administrators routinely use Regular Expression in everyday task. The moment nginx matches a regular expression location configuration, it will not look any further. HiFi Regex Tester. [abc] means "a or b or c", e. Some regular expressions and their characteristics Bracket Bracket as regular from IT S530 at American College of Commerce & Technology. For example, the regular expression (dog) creates a single group containing the letters "d", "o", and "g". You can split a string on a single character, a group of characters or a regular expression (a pattern). If it is impossible to capture it using a single node, that is fine. Pattern is a compiled representation of a regular expression. Additionally, the (?d) flag is not supported and must not be used. …That is the question. A header may span over multiple lines if the subsequent lines begin with an LWS. : m: For patterns that include anchors (i. Course Description. Ever wanted to follow a log file, capture debug messages or monitor syslog? Then this product is for you! Featuring multiple types of monitors: file monitor, event log, syslog, OutputDebugString, word wrap of lines and coloring of lines based on regular expression rules. Capture: The pattern matches each line in a capture. Allows to comment regular expression and break them up into multiple lines. You can use tokens to match other parts of the same text. A plain C API is also provided. * Creating advanced search-time field extractions that involve one or more of the following: * Reuse of the same field-extracting regular expression across multiple sources, source types, or hosts. You can use the regular captured groups notation: [code]\1[/code] or [code]\2[/code], etc. The method str. You can use both Dissect and Grok for a hybrid use case when a section of the line is reliably repeated, but the entire line is not. Tuesday, September 11, 2007 A Better. A here-document allows you to create a string that spreads on multiple lines and preserves white spaces and new-lines. The word "Regular expression" is a mouthful, so you will usually find the term abbreviated as "regex" or "regexp". This is where regular expressions come in. Multiple identical headers may be folded into one single line, delimiting the values with commas, provided that their order is respected. NET regex engine, featuring a comprehensive. Since you can make a script an AWK executable by mentioning "#!/bin/awk -f" on the first line, including an AWK script inside a shell script isn't needed unless you want to either eliminate the need for an extra file, or if you want to pass a variable to the insides of an AWK script. As a result, regular expressions in C++ are very flexible. As a result, looping through a list of files to find a particular text string (or several text strings) is easy to do. kajbj wrote: Rival wrote: As you can see there are a few different ways that someone can use the @import and url() statements. It can make an expert regex programmer exponentially more efficient, and changes the lerning curve for regex beginners from a mountain hike to a boardwalk stroll.