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

Library of Congress Call Numbers

Vote

0

Regular Expression
pcre2

/
^[A-Z]{1,3}[0-9]{1,4}\.?([0-9]{1,2})?\ ?\.?[A-Z]{1}[0-9]{1,}.?\ ?([A-Z]{1,2}[1-9]{1,})?\ ?([0-9]{1,})?
/
gm

Description

Loading markdown...
Submitted by Andy F - 6 months ago