pcre Examples and Free Source Code

How does regular expression engine parse regex with recursive subpatterns to match palindromes?...

php regex recursion pcre palindrome

What are the differences between GNU grep's basic/extended and PCRE (`-P`) regular expressions?...

regex grep gnu pcre

Regex not match inside of match (validating content in Markdown links)...

regex pcre

How to keep matched groups of pattern recursion in regex?...

regex pcre

Non greedy (reluctant) regex matching in sed?...

regex sed pcre greedy regex-greedy

Can I get help generating the correct regex to match a list of test strings?...

regex regex-lookarounds regex-group pcre regex-negation

Basic PCRE expression to match word anywhere in a line + another word always at the end of line...

regex pcre

Get multibyte character count before match with preg_match() (PREG_OFFSET_CAPTURE parameter is unhel...

php unicode utf-8 preg-match pcre

Basic PCRE expression to omit a double quoted substring within a string...

linux pcre

Why do these three regexes have different step counts?...

regex pcre

PCRE Regex to SED...

regex sed pcre

Missing pcre(Perl Compatible Regular Expressions) object files while building TWRP custom recovery...

android c++linux pcre device-tree

Recursive regex pattern not matching all characters as expected (PHP differs from Perl implementatio...

php regex recursion pcre

Regex for matching a certain number of words...

regex pcre

Remove all opening and closing parentheses in a string...

php regex preg-replace pcre parentheses

Regex to only return matches when followed by a specific word...

regex pcre splunk positive-lookahead

Is it possible to split a hex string like this using just regex?...

regex hex pcre

Regex case-insensitive search, but have output match the case in the regex...

regex sed pcre case-insensitive

Unable to match whole string using PCRE regex in C++...

c++regex pcre

Regex differences between PCRE and PCRE2...

regex migration pcre

PHP perl regular expression - URL not preceded by equal sign and possible single or double quote...

php regex preg-replace pcre

Exclude underscore from word boundary in regex...

php regex pcre word-boundary

Python and PCRE regex that are the same give different outputs for the same input...

python regex pcre pcre2

Why fountain character matches anchor character in regular expression inside range?...

regex pcre

Regex to find string arguments of a function call (lookbehind with multiple hits)...

regex grep regex-group pcre regex-greedy

grep - RegEx multiple-criteria select...

regex linux grep gnu pcre

Regexp : catching all letters and numbers before a specific string...

regex pcre

Regex grouping rules for alternation...

regex pcre

Regex: substitute spaces after specific word...

regex replace sas pcre

Split string on non-alphanumerics in PHP? Is it possible with php's native function?...

php regex split native pcre