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

oniguruma source group capture

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0

Regular Expression
pcre

/
(?x:#sds ) (?#sdsa) #sda (?x) # extended mode) (?<!\\) # no escape in before paren) (?: # begine or end alternation noncap group) (?<begin>\( # begining pattern paren) (?: # name/index/noncap alternation noncap group) (?<named>\?\< # named ?<name>) (?<name>[\w][\w\d_]+) # capture name) >)| # end of name >) (?<indexed>(?!\?))| # indexed capture group no following ? after paren) (?<nonecap>\?[^<]) # other groups that dont capture no following < after paren) ) # name/index/noncap alternation noncap group) )| # begining pattern end) (?<end>\)) # ending paren ends group scope) )
/
gm

Description

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Submitted by anonymous - 3 years ago