Regular Expressions 101

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Library entries

12
javascript

Username with "_" "-"

no description available
Submitted by Gianvy - 7 years ago
12
javascript

US Currency Format

no description available
Submitted by anonymous - 7 years ago
11
pcre

Codice fiscale

Check "codice fiscale"
Submitted by Luca - 7 years ago
10
pcre

remove comments from php code

no description available
Submitted by anonymous - 8 years ago
10
javascript

Full url parse, domain, path, params

no description available
Submitted by anonymous - 7 years ago
9
pcre

Validate Base64 single-line string

no description available
Submitted by ka. - 10 years ago
9
pcre

Fixo LDN CSP e SEM CSP

no description available
Submitted by Marcos Müller - 8 years ago

IP Address validator

Vote

35

Regular Expression
javascript

/
^(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]?)$
/

Description

Loading markdown...
Submitted by krzysp - 7 years ago