RegExLib.com - The first Regular Expression Library on the Web!

Title	Test Details Pattern Title
Expression	^[a-zA-Z][0-9][a-zA-Z]\s?[0-9][a-zA-Z][0-9]$
Description	Match Canadia Zip Code. You can have a space in the middle Like T2P 3C7, or no space like T2P3C7
Matches	T2p 3c7 | T3P3c7 | T2P 3C7
Non-Matches	123456 | 3C7T2P | 11T21RWW
Author	Rating: Qing Jiang

Title	Test Details Pattern Title
Expression	\u221E
Description	Matches infinity symbol. Pretty simple, yet I dont think existed on RegExLib before.
Matches	8
Non-Matches	anything else
Author	Rating: Roman Lukyanenko

Title	Test Details Pattern Title
Expression	^[^']*$
Description	This one matches all strings that do not contain the single quotation mark (').
Matches	asljas | %/&89uhuhadjkh | "hi there!"
Non-Matches	'hi there!' | It's 9 o'clock | '''''
Author	Rating: Peter Friese

Title	Test Details Pattern Title
Expression	^(s-|S-){0,1}[0-9]{3}\s?[0-9]{2}$
Description	Validates swedish zipcodes (postnr) with or without space between groups. With leading s- or not. Can be disconnected by removing ''(s-|S-){0,1}''.
Matches	12345 | 932 68 | S-621 46
Non-Matches	5367 | 425611 | 31 545
Author	Rating: Tommy Ullberg

Title	Test Details Pattern Title
Expression	^(user=([a-z0-9]+,)*(([a-z0-9]+){1});)?(group=([a-z0-9]+,)*(([a-z0-9]+){1});)?(level=[0-9]+;)?$
Description	This re was used for a security routine. The format is: [user=name1,name2,...,nameN;][group=group1,group2,...,groupN;][level=number;] Each component is optional, but they must appear the in order listed if applicable.
Matches	user=foo,bar,quux;group=manager,admin;level=100; | group=nobody;level=24;
Non-Matches	user=foo | blahh
Author	Rating: Michael Scovetta

Title	Test Details Pattern Title
Expression	(\/\/-->\s*)?<\/?SCRIPT([^>]*)>(\s*<!--\s)?
Description	Can be used to remove <SCRIPT language="JavaScript"> <!-- //--> </SCRIPT> from embeded javascript Should be used as case insensitive
Matches	<SCRIPT language="JavaScript"> <!-- //--> </SCRIPT> | <SCRIPT l
Non-Matches	<!-- //-->
Author	Rating: Mike t

Title	Test Details Pattern Title
Expression	(^\+[0-9]{2}|^\+[0-9]{2}\(0\)|^\(\+[0-9]{2}\)\(0\)|^00[0-9]{2}|^0)([0-9]{9}$|[0-9\-\s]{10}$)
Description	Regular expression to evaluate dutch-style phone numbers. Possible example prefixes: +31, +31(0), (+31)(0), 0, 0031 followed by 9 numbers (which can contain a space or -).
Matches	+31235256677 | +31(0)235256677 | 023-5256677
Non-Matches	+3123525667788999 | 3123525667788 | 232-2566778
Author	Rating: Jon van Leuven

Title	Test Details Pattern Title
Expression	^(?!^(PRN|AUX|CLOCK\$|NUL|CON|COM\d|LPT\d|\..*)(\..+)?$)[^\x00-\x1f\\?*:\";|/]+$
Description	Checks for a valid windows file name (Must be used with the case-insensitive option Checks that the file has at lease one char, does not contain any invalid characters and does not have a reserved word as a file name. "If you see a " in the regex replace it with a " character"
Matches	test.txt | test.jpg.txt | a&b c.bmp
Non-Matches	CON | .pdf | test:2.pdf
Author	Rating: Andre Van Der Merwe

Title	Test Details Pattern Title
Expression	<[iI][mM][gG]([^>]*[^/>])
Description	simple little RegExp to get the IMG tag from HTML
Matches	<img src="abc.jpg"> | <img src="abc.jpg"/> | <ImG src="abc.j
Non-Matches	none
Author	Rating: Asim Goheer

Title	Test Details Pattern Title
Expression	^(\{|\[|\().+(\}|\]|\)).+$
Description	Matches "clan" nicks/names.
Matches	{CLaN}nick | [Clan]Nick | (Clan)Nick
Non-Matches	Nick
Author	Rating: Jag fire

Title	Test Details Pattern Title
Expression	(^(4|5)\d{3}-?\d{4}-?\d{4}-?\d{4}|(4|5)\d{15})|(^(6011)-?\d{4}-?\d{4}-?\d{4}|(6011)-?\d{12})|(^((3\d{3}))-\d{6}-\d{5}|^((3\d{14})))
Description	This provides an expression to calidate the four major credit cards. It can be easily broken up to use for a specific type of card. It does not validate the number being a potential real number, only in the correct format.
Matches	4111-1234-1234-1234 | 6011123412341234 | 3711-123456-12345
Non-Matches	1234567890123456 | 4111-123-1234-1234 | 412-1234-1234-1234
Author	Rating: Chris Love

Title	Test Details Pattern Title
Expression	^([A-Za-z]\d[A-Za-z][-]?\d[A-Za-z]\d)
Description	Regular expression to match a canadian postal code where it matches a string with or without the hyphen and in upercase or lowercase
Matches	a1a-1a1 | A1A1A1
Non-Matches	1a1-a1a | aaa-aaa | 111-111
Author	Rating: Rico lour

Title	Test Details Pattern Title
Expression	<[^>\s]*\bauthor\b[^>]*>
Description	This expression will match the corresponding XML/HTML elements opening and closing tags. Useful to handle documents fragments, without loading an XML DOM.
Matches	<author name="Daniel"> | </sch:author> | <pp:author name="Daniel"
Non-Matches	<other> | </authors> | <work>author</work>
Author	Rating: Daniel Cazzulino

Title	Test Details Pattern Title
Expression	(\d*)'*-*(\d*)/*(\d*)"
Description	This regular expression is for parsing feet and inches measurements.
Matches	5'-3/16" | 1'-2" | 5/16"
Non-Matches	1 3/16
Author	Rating: Felix Osegueda

Title	Test Details Pattern Title
Expression	^\(\d{1,2}(\s\d{1,2}){1,2}\)\s(\d{1,2}(\s\d{1,2}){1,2})((-(\d{1,4})){0,1})$
Description	Meets german norm-standard: DIN 5008: 1996-05 for telephone numbers
Matches	(0 34 56) 34 56 67 | (03 45) 5 67 67 | (0 45) 2 33 45-45
Non-Matches	(2345) 34 34 | (0 56) 456 456 | (3 45) 2 34-45678
Author	Rating: Gerald Martin

Title	Test Details Pattern Title
Expression	^([a-zA-Z0-9@*#]{8,15})$
Description	Password matching expression. Match all alphanumeric character and predefined wild characters. Password must consists of at least 8 characters and not more than 15 characters.
Matches	@12X*567 | 1#Zv96g@*Yfasd4 | #67jhgt@erd
Non-Matches	$12X*567 | 1#Zv_96 | +678jhgt@erd
Author	Rating: lawson law

Title	Test Details Pattern Title
Expression	^0(5[012345678]|6[47]){1}(\-)?[^0\D]{1}\d{5}$
Description	Regular Expression that validate Cellular phone in israel.
Matches	050-346634 | 058633633 | 064-228226
Non-Matches	059-336622 | 064-022663 | 0545454545
Author	Rating: Al Val

Title	Test Details Pattern Title
Expression	(^.+\|+[A-Za-z])
Description	Anti-Spam/Spam stopper: Detects all words with the character "|" instead of an "l" or "1"
Matches	| comp|eted | fu|l-sized | annua|ly
Non-Matches	www.fireflyfx.net | www.trustmusic.nl
Author	Rating: Louis Ostendorf

Title	Test Details Pattern Title
Expression	^(eth[0-9]$)|(^eth[0-9]:[1-9]$)
Description	regex to validate unix device names (linux). useful for scripts using ifconfig or stuff
Matches	eth0 | eth0:4 | eth4:9
Non-Matches	eth0: | eth0:0 | eth0:1d
Author	Rating: Joey Brunner

Title	Test Details Pattern Title
Expression	^[A-Z]{2}[0-9]{6}[A-DFM]{1}$
Description	UK National Insurance Number (NINO) validation. (The following modifications have been made: Only A to D are permitted as the last letter, and all letters should be in uppercase. For temporary numbers F and M are permitted for female and male holders.)
Matches	AB123456D | AB123456F | AB123456M
Non-Matches	AB123456E | ab123456d
Author	Rating: Peter Whyte