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Perl Compatible Regular Expressions (PCRE) is a library written in C, which implements a regular expression engine, inspired by the capabilities of the Perl programming language. Philip Hazel started writing PCRE in summer 1997. [ 3 ]
The primary regex crate does not allow look-around expressions. There is an Oniguruma binding called onig that does. SAP ABAP: SAP.com: Proprietary: Tcl: tcl.tk: Tcl/Tk License (BSD-style) Tcl library doubles as a regular expression library. Wolfram Language: Wolfram Research: Proprietary: usable for free on a limited scale on the Wolfram ...
Different syntaxes for writing regular expressions have existed since the 1980s, one being the POSIX standard and another, widely used, being the Perl syntax. Regular expressions are used in search engines, in search and replace dialogs of word processors and text editors, in text processing utilities such as sed and AWK, and in lexical ...
The name is a misnomer, because Perl's regular expressions permit embedded Perl code during matching and replacing, so to be truly "Perl Compatible" would need a full Perl interpreter embedded in the library. PCRE contains no such interpreter. Um...it's not a misnomer. The regular expressions of PCRE are compatible with Perl's. Embedded source ...
The Perl regular-expression syntax was originally taken from Unix Version 8 regular expressions. However, it diverged before the first release of Perl and has since grown to include far more features. Many other languages and applications are now adopting Perl Compatible Regular Expressions over POSIX regular expressions, such as PHP, Ruby ...
Pages in category "Regular expressions" The following 12 pages are in this category, out of 12 total. ... Perl Compatible Regular Expressions; R. Raku rules; RE/flex;
PCRE Perl Compatible Regular Expressions, a common modern implementation of string pattern matching ported to many languages; REBOL parse dialect for pattern matching used to implement language dialects; Symbolic integration; Tagged union; Tom (pattern matching language) SNOBOL for a programming language based on one kind of pattern matching
.htaccess files are written in the Apache Directives variant of the Perl Compatible Regular Expressions (PCRE) language. Learning basic PCRE itself can help in mastering work with these files. Learning basic PCRE itself can help in mastering work with these files.