Regular Expressions 101

Community Patterns

5

ipv6

PCRE (PHP <7.3)
Match an ipv6 address
Submitted by Frusty - 8 years ago
9

only numbers

PCRE (PHP <7.3)
A string with only numbers in
Submitted by Gotts - 8 years ago
4

Phone number

PCRE (PHP <7.3)
no description available
Submitted by Mark Landry - 8 years ago
3

Cisco ASA

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 8 years ago
3

hj

PCRE (PHP <7.3)
hj
Submitted by hj - 8 years ago

Semantic Version (semver)

0

Regular Expression
.NET (C#)

@"
^(?<major>0|[1-9]\d*)\.(?<minor>0|[1-9]\d*)\.(?<patch>0|[1-9]\d*)(?:-(?<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-]*))*))?(?:\+(?<buildmetadata>[0-9a-zA-Z-]+(?:\.[0-9a-zA-Z-]+)*))?$
"
gm

Description

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Submitted by semver.org,Jeff Jacobson - a year ago