Regular Expressions 101

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Library entries

103
javascript

trim

trim string
Submitted by fp - 9 years ago
37
pcre

http://

no description available
Submitted by Mitus M. - 8 years ago
33
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
22
pcre

userName

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

A complete recognition of pattern for css selectors

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0

Regular Expression
javascript

/
( *(((([a-zA-Z]+)|([.#](\w|\w+-+\w*)+)|(:(\w+(-\w+)+)(\([a-zA-Z0-9]+\))?)|(:{2}(\w+(-\w+)+))|(\*))(\[ *\w+ *(([\^$|~*]?= *)?((\w|\w+-+\w*)+|((\\') *.+ *(\\'))|((\\") *.+ *(\\"))|((') *.+ *('))|((") *.+ *("))))?( *\]))*)|(\[ *\w+ *(([\^$|~*]?= *)?((\w|\w+-+\w*)+|((\\') *.+ *(\\'))|((\\") *.+ *(\\"))|((') *.+ *('))|((") *.+ *("))))?( *\]))+)((([a-zA-Z]+)|([.#](\w|\w+-+\w*)+)|(:(\w+(-\w+)+)(\([a-zA-Z0-9]+\))?)|(:{2}(\w+(-\w+)+))|(\*))*(( +|( *[,~>+] *))(((([a-zA-Z]+)|([.#](\w|\w+-+\w*)+)|(:(\w+(-\w+)+)(\([a-zA-Z0-9]+\))?)|(:{2}(\w+(-\w+)+))|(\*))(\[ *\w+ *(([\^$|~*]?= *)?((\w|\w+-+\w*)+|((\\') *.+ *(\\'))|((\\") *.+ *(\\"))|(' *.+ *')|((") *.+ *("))))?( *\]))*)|(\[ *\w+ *(([\^$|~*]?= *)?((\w|\w+-+\w*)+|((\\') *.+ *(\\'))|((\\") *.+ *(\\"))|((') *.+ *('))|((") *.+ *("))))?( *\]))+))*)* *(?!.))
/
gy

Description

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Submitted by Rafael Laurindo - 6 years ago