Regular Expressions 101

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0
pcre2

Test mail

Email test
Submitted by anonymous - 2 days ago
0
pcre2

No Squares

Match not square brackets
Submitted by max - 3 days ago
0
pcre2

首行首个单词

匹配首行首个单词
Submitted by anonymous - 4 days ago
0
pcre2

MAC address

MAC address supporting various formats
Submitted by anonymous - 5 days ago
0
pcre2

Visa card regex

Visa card regex
Submitted by anonymous - 5 days ago

IPv4

Vote

16

Regular Expression
pcre

/
^(?:25[0-5]|2[0-4]\d|[0-1]?\d{1,2})(?:\.(?:25[0-5]|2[0-4]\d|[0-1]?\d{1,2})){3}$
/

Description

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Submitted by robwa - 7 years ago