Regular Expressions 101

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Library entries

102
javascript

trim

trim string
Submitted by fp - 9 years ago
36
pcre

http://

no description available
Submitted by Mitus M. - 9 years ago
35
javascript

IP Address validator

Validates IPv4 IP Address
Submitted by krzysp - 7 years ago
31
pcre

ninite

no description available
Submitted by peek - 7 years ago
30
javascript

Email address (most used)

Email address, most used cases
Submitted by Jago - 7 years ago
27
pcre

Wrap long string to spec length

no description available
Submitted by fullpipe - 9 years ago
23
pcre

userName

1-15 alphanumeric login name
Submitted by gsanchezc - 7 years ago

dsf

Vote

1

Regular Expression
javascript

/
^(?:(?:31(\/|-|\.)(?:0?[13578]|1[02]))\1|(?:(?:29|30)(\/|-|\.)(?:0?[1,3-9]|1[0-2])\2))(?:(?:1[6-9]|[2-9]\d)?\d{2})$|^(?:29(\/|-|\.)0?2\3(?:(?:(?:1[6-9]|[2-9]\d)?(?:0[48]|[2468][048]|[13579][26])|(?:(?:16|[2468][048]|[3579][26])00))))$|^(?:0?[1-9]|1\d|2[0-8])(\/|-|\.)(?:(?:0?[1-9])|(?:1[0-2]))\4(?:(?:1[6-9]|[2-9]\d)?\d{2})$
/

Description

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Submitted by fdsfdsfdsf - 8 years ago