Regular Expressions 101

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1
java

phone number middle number parsing

middle number parsing regex
Submitted by anonymous - 9 hours ago
0
java

Verify email

Regex for email
Submitted by anonymous - 2 days ago
0
pcre2

Test mail

Email test
Submitted by anonymous - 3 days ago
0
pcre2

No Squares

Match not square brackets
Submitted by max - 4 days ago
0
pcre2

首行首个单词

匹配首行首个单词
Submitted by anonymous - 5 days ago

IPv4 w/ w/o port validation and localhost string supported

Vote

0

Regular Expression
pcre

/
^(((25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[0-9]{1,2})(\\.(25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[0-9]{1,2})){3})|(localhost))(:((6553[0-5])|(655[0-2][0-9])|(65[0-4][0-9]{2})|(6[0-4][0-9]{3})|([1-5][0-9]{4})|([0-5]{1,5})|([0-9]{1,4})))?$|^$
/
gm

Description

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Submitted by anonymous - a month ago