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
javascript

Email address (most used)

Email address, most used cases
Submitted by Jago - 7 years ago
31
pcre

ninite

no description available
Submitted by peek - 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

Ipv4 with optional port

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0

Regular Expression
dotnet

"
^(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)(?::(\d|[1-9]\d{1,3}|[1-5]\d{4}|6[0-4]\d{3}|65[0-4]\d{2}|655[0-2]\d|6553[0-5]))?$
"

Description

Loading markdown...
Submitted by anonymous - 5 months ago