pcre Examples and Free Source Code

Why do negative lookbehind and optional group allow a match?...

regex pcre

Can PCRE regex match a null character?...

regex null pcre

Regex for matching a certain number of words...

regex pcre

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

regex sed pcre greedy regex-greedy

Convert JSON integers and floats to strings...

php json regex pcre

Regex expression to exclude a string between two capture groups...

regex pcre

PCRE regular expressions backtracking control...

regex pcre

PHP PCRE regex with multiple SKIP FAIL in a pattern...

php regex encoding pcre

How does PCRE \p{N} define a "numeric character"...

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Use of the idx parameter of match function with a regexp of the form "^....." | Julia 0.6...

regex julia pcre

Undefined reference when trying to use PCRE with C++?...

c++ubuntu pcre undefined-reference

What's the technical reason for "lookbehind assertion MUST be fixed length" in regex?...

regex pcre lookbehind

Capture all matching patterns after a string text...

regex match matching pcre

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

regex regex-lookarounds regex-group pcre regex-negation

IIS/ASP.NET/Umbraco exception on on w3wp.exe and pcre.dll...

asp.net-core iis umbraco pcre plesk

PHP preg_replace_callback creates false entries in matches for named groups...

php regex pcre preg-replace-callback

How can I use perl to delete files matching a regex...

regex perl pcre

Splitting a string with zero-width assertions but remove other string in R...

r regex pcre strsplit

How can I match the middle character in a string with regex?...

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regex to match all unescaped '$' in a regex string...

regex escaping regex-lookarounds regex-group pcre

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

php unicode utf-8 preg-match pcre

order of word boundaries and anchors in PCRE...

regex pcre

PCRE regex in R matching `\` and `[` unexpectedly...

r regex pcre

RegEx for matching between any two HTML tags...

java regex pcre regex-greedy replaceall

Why does Python regular expression give different result for the following 2 quantifiers?...

python php regex pcre

regex for time validation...

php regex time pcre

RegEx for combining "match everything" and "negative lookahead"...

regex pcre regex-lookarounds

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