Regular Expressions 101

Please wait while the app is loading...

Regular Expressions 101

@regex101DonateSponsorContactBug Reports & FeedbackWikiWhat's new?

Order By

Sponsors

Library entries

1
pcre

number validator

exclude data with space and "-"
Submitted by HMK - 9 years ago
1
pcre

Number invalidator

Including +/-12.3. etc. Excluding MH12, etc.
Submitted by HMK - 9 years ago
1
pcre

YOLO

Substitutes "you only live once" with "YOLO".
Submitted by anonymous - 9 years ago
-2
pcre

Maintain portion in the middle

no description available
Submitted by HMK - 9 years ago
-2
pcre

Password filter

a regular expression validate the passowrd. The criteria is that the password should contain atleast one upper case and one lower case letter.
Submitted by HMK - 9 years ago
-34
pcre

your mom

aasdf
Submitted by your mom - 9 years ago
1
pcre

Regex Formula for matching 2 letter Prefix URL's

I am trying to write a Regex formula that will match to all URL's with specifically 2 letter prefixes. I have a list of close to 1000 websites, and I need a formula that will collect data from any sites that start with "..".sporttu.com. For example, I want it to match to sites like ca.sporttu and m...
Submitted by MikeRo - 9 years ago
1
pcre

asd

asd
Submitted by anonymous - 9 years ago
1
pcre

quotes and escapes

no description available
Submitted by zgorawski - 9 years ago
2
pcre

Creditcard expiry date checker

Checks if a expiry date is: mm/yy. You still have to check if it is a valid expiry date timewise.
Submitted by Pevawi - 9 years ago
1
pcre

regular expression - with space

no description available
Submitted by anonymous - 9 years ago
1
pcre

regular expression to avoid white spaces

no description available
Submitted by anonymous - 9 years ago
1
pcre

test url

no description available
Submitted by anonymous - 9 years ago
1
pcre

1

23123
Submitted by anonymous - 9 years ago
2
pcre

Match subset

no description available
Submitted by Jason - 9 years ago
-2
pcre

RegEx within tags

no description available
Submitted by anonymous - 9 years ago
1
pcre

Replace Commas Inside Quotes

Regex to remove commas within quotes. (Common situtaion in .csv files) Eg: data,"some ""embedded"" stuff,commas,inside,quotes",more Replace String would be something like this:...
Submitted by Judd - 9 years ago
-2
pcre

Version in Cordova config.xml

no description available
Submitted by procek - 9 years ago
0
pcre

match text between two <br/> tags.

no description available
Submitted by gordie - 9 years ago
0
pcre

Primjer regexa koji je potreban u jednom dijelu našeg sitea

Ovo je regex (regular expression - regularni izraz) koji parsira i usput validira broj našeg predračuna.
Submitted by Goran - 9 years ago
1...465466467468469470471...481

Match emails, as per RFC 5322

Vote

1

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)$
/
gx
Open regex in editor

Description

Loading markdown...
Submitted by Nikita Popov - 9 years ago