Regular Expressions 101

Library entries

9
pcre

Fixo LDN CSP e SEM CSP

no description available
Submitted by Marcos Müller - 9 years ago
9
pcre

only numbers

A string with only numbers in
Submitted by Gotts - 8 years ago
8
pcre

Date time Advanced

no description available
Submitted by Mr.Neutro - 9 years ago
8
javascript

UUID

no description available
Submitted by anonymous - 9 years ago
8
javascript

simple email

no description available
Submitted by anonymous - 8 years ago
8
pcre

Alphanumeric and Spaces

Alow alphanumeric characters and spaces
Submitted by JTN - 8 years ago
8
pcre

If-Then-Else Conditionals

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

money: either 0 or 2 dp

no description available
Submitted by anonymous - 8 years ago
8
pcre

Fiddler raw body to PHP array

no description available
Submitted by garsax - 7 years ago
8
pcre

Max - URL Extract

no description available
Submitted by Ayush - 7 years ago
7
pcre

rsyslog test

global modifier
Submitted by dtmland - 8 years ago
7
javascript

Match text (not within html tag)

no description available
Submitted by Moistly - 8 years ago

Matching email addresses per RFC5322

Vote

234

Regular Expression
pcre

/
(?(DEFINE) (?<addr_spec> (?&local_part) @ (?&domain) ) (?<local_part> (?&dot_atom) | (?&quoted_string) | (?&obs_local_part) ) (?<domain> (?&dot_atom) | (?&domain_literal) | (?&obs_domain) ) (?<domain_literal> (?&CFWS)? \[ (?: (?&FWS)? (?&dtext) )* (?&FWS)? \] (?&CFWS)? ) (?<dtext> [\x21-\x5a] | [\x5e-\x7e] | (?&obs_dtext) ) (?<quoted_pair> \\ (?: (?&VCHAR) | (?&WSP) ) | (?&obs_qp) ) (?<dot_atom> (?&CFWS)? (?&dot_atom_text) (?&CFWS)? ) (?<dot_atom_text> (?&atext) (?: \. (?&atext) )* ) (?<atext> [a-zA-Z0-9!#$%&'*+\/=?^_`{|}~-]+ ) (?<atom> (?&CFWS)? (?&atext) (?&CFWS)? ) (?<word> (?&atom) | (?&quoted_string) ) (?<quoted_string> (?&CFWS)? " (?: (?&FWS)? (?&qcontent) )* (?&FWS)? " (?&CFWS)? ) (?<qcontent> (?&qtext) | (?&quoted_pair) ) (?<qtext> \x21 | [\x23-\x5b] | [\x5d-\x7e] | (?&obs_qtext) ) # comments and whitespace (?<FWS> (?: (?&WSP)* \r\n )? (?&WSP)+ | (?&obs_FWS) ) (?<CFWS> (?: (?&FWS)? (?&comment) )+ (?&FWS)? | (?&FWS) ) (?<comment> \( (?: (?&FWS)? (?&ccontent) )* (?&FWS)? \) ) (?<ccontent> (?&ctext) | (?&quoted_pair) | (?&comment) ) (?<ctext> [\x21-\x27] | [\x2a-\x5b] | [\x5d-\x7e] | (?&obs_ctext) ) # obsolete tokens (?<obs_domain> (?&atom) (?: \. (?&atom) )* ) (?<obs_local_part> (?&word) (?: \. (?&word) )* ) (?<obs_dtext> (?&obs_NO_WS_CTL) | (?&quoted_pair) ) (?<obs_qp> \\ (?: \x00 | (?&obs_NO_WS_CTL) | \n | \r ) ) (?<obs_FWS> (?&WSP)+ (?: \r\n (?&WSP)+ )* ) (?<obs_ctext> (?&obs_NO_WS_CTL) ) (?<obs_qtext> (?&obs_NO_WS_CTL) ) (?<obs_NO_WS_CTL> [\x01-\x08] | \x0b | \x0c | [\x0e-\x1f] | \x7f ) # character class definitions (?<VCHAR> [\x21-\x7E] ) (?<WSP> [ \t] ) ) ^(?&addr_spec)$
/
xmg

Description

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Submitted by Michael Musson - 10 years ago