Regular Expressions 101

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Community Patterns

1

Match Hexadecimal Color with Optional Alpha

PCRE2 (PHP >=7.3)
theunjob.com
Submitted by anonymous - 4 months ago
1

Match Nested HTML Tags

PCRE2 (PHP >=7.3)
techono.me
Submitted by anonymous - 4 months ago
1

Match Floating Numbers with Optional Scientific Notation

PCRE2 (PHP >=7.3)
thecoversproject.org
Submitted by anonymous - 4 months ago
1

Match URL Parameters with Optional Values

PCRE2 (PHP >=7.3)
youngfreeflorida.com
Submitted by anonymous - 4 months ago
1

Match XML Self-Closing Tags

PCRE2 (PHP >=7.3)
comicdiversity.com
Submitted by anonymous - 4 months ago
1

Extract Dates in Long Format

PCRE2 (PHP >=7.3)
simplicitylabs.net
Submitted by anonymous - 4 months ago
1

Extract Phone Numbers (International)

PCRE2 (PHP >=7.3)
spooonful.com
Submitted by anonymous - 4 months ago
1

Extract HTML Attribute Values

PCRE2 (PHP >=7.3)
statussearch.net
Submitted by anonymous - 4 months ago
1

Extract Multi-Line Comments (JavaScript)

PCRE2 (PHP >=7.3)
sinceretheory.net
Submitted by anonymous - 4 months ago
1

Match Phone Numbers with Extensions

PCRE2 (PHP >=7.3)
canitbenews.com
Submitted by anonymous - 4 months ago
1

Match Lines Starting with Specific Word

PCRE2 (PHP >=7.3)
ecuadorminingnews.com
Submitted by anonymous - 4 months ago
1

Extract Non-Alphanumeric Characters

PCRE2 (PHP >=7.3)
thebuzzkillers.com
Submitted by anonymous - 4 months ago
1

Match Recursive Patterns (HTML-like)

PCRE2 (PHP >=7.3)
hackerchat.co
Submitted by anonymous - 4 months ago
1

Find Number with Units (e.g., 10kg, 5m)

PCRE2 (PHP >=7.3)
ericaleerhsen.net
Submitted by anonymous - 4 months ago
1

Extract Key-Value Pairs

PCRE2 (PHP >=7.3)
gennexbrands.com
Submitted by anonymous - 4 months ago
1

Match Balanced Brackets

PCRE2 (PHP >=7.3)
popninjas.com
Submitted by anonymous - 4 months ago
1

Match Text with Optional Tags

PCRE2 (PHP >=7.3)
thestorrier.com
Submitted by anonymous - 4 months ago
1

Extract JSON Arrays

PCRE2 (PHP >=7.3)
raceonline2012.org
Submitted by anonymous - 4 months ago
1

Extract CSV Rows

PCRE2 (PHP >=7.3)
btcmarin.org
Submitted by anonymous - 4 months ago
1

Match Complex Nested Parentheses

PCRE2 (PHP >=7.3)
selectview.org
Submitted by anonymous - 4 months ago
1...843844845846847...902

Community Library Entry

1

Regular Expression
PCRE2 (PHP >=7.3)

/
\b(?:January|February|March|April|May|June|July|August|September|October|November|December) \d{1,2}, \d{4}\b
/
gm
Open regex in editor

Description

simplicitylabs.net

Submitted by anonymous - 4 months ago