Regular Expressions 101

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Community Patterns

1

Match Lines Starting with Specific Word

PCRE2 (PHP >=7.3)
ecuadorminingnews.com
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

Extract Multi-Line Comments (JavaScript)

PCRE2 (PHP >=7.3)
sinceretheory.net
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 Phone Numbers (International)

PCRE2 (PHP >=7.3)
spooonful.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

Match XML Self-Closing Tags

PCRE2 (PHP >=7.3)
comicdiversity.com
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 Floating Numbers with Optional Scientific Notation

PCRE2 (PHP >=7.3)
thecoversproject.org
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 Hexadecimal Color with Optional Alpha

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

Extract Non-Alpha Numeric Characters

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

Match Strings with Special Characters

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

Extract Domain Names with TLD

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

Match Version Numbers (e.g., 1.0.0, 2.3.4)

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

Match Hexadecimal Strings

PCRE2 (PHP >=7.3)
ud2002.org
Submitted by anonymous - 4 months ago
1

Extract Mixed Content (Text and Numbers)

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

Match HTML Entities

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

Match Complex Strings with Nested Patterns

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

Match IP Address with Subnet

PCRE2 (PHP >=7.3)
dailynewstalk.org
Submitted by anonymous - 4 months ago
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Community Library Entry

0

Regular Expression
PCRE (PHP <7.3)

/
^(?P<major>0|[1-9]\d*)\.(?P<minor>0|[1-9]\d*)\.(?P<patch>0|[1-9]\d*)(?:-(?P<prerelease>(?:0|[1-9]\d*|\d*[a-zA-Z-][0-9a-zA-Z-]*)(?:\.(?:0|[1-9]\d*|\d*[a-zA-Z-][0-9a-zA-Z-]*))*))?(?:\+(?P<buildmetadata>[0-9a-zA-Z-]+(?:\.[0-9a-zA-Z-]+)*))?$
/
gm
Open regex in editor

Description

Source: https://semver.org Alternative: https://simversion.github.io

Submitted by anonymous - 5 years ago