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

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: Not yet rated. Peter Whyte

Title	Test Details Pattern Title
Expression	^[A-Za-z0-9]{8}-[A-Za-z0-9]{4}-[A-Za-z0-9]{4}-[A-Za-z0-9]{4}-[A-Za-z0-9]{12}$
Description	GUID Tester. This is a modification from the regular expression submitted by James Bray ([email protected]). It allows the use of mixed upper and lowercase letters in the GUID string.
Matches	BFDB4D31-3E35-4DAB-AFCA-5E6E5C8F61EA | BFDB4d31-3e35-4dab-afca-5e6e5c8f61ea
Non-Matches	qqqBFDB4D31-3E35-4DAB-AFCA-5E6E5C8F61EA | BFDB4D31-3E-4DAB-AFCA-5E6E5C8F61EA | BFDB4D31-3E35-4DAB-AF
Author	Rating: Not yet rated. V. Lorz

Title	Test Details Pattern Title
Expression	^(([a-z])+.)+[A-Z]([a-z])+$
Description	This matches Java class names such as "com.test.Test". It's being used within an XML Schema to validate classname as specified in XML documents.
Matches	com.test.Test | com.Test
Non-Matches	com.test.test | com.test.TEst | Com.test.Test
Author	Rating: Not yet rated. Matt Biggin

Title	Test Details Pattern Title
Expression	^[a-zA-Z0-9]{1,20}$
Description
Matches	e3 | wee | w4
Non-Matches	-4
Author	Rating: Not yet rated. eddie xia

Title	Test Details Roman numerials
Expression	^(?i:(?=[MDCLXVI])((M{0,3})((C[DM])|(D?C{0,3}))?((X[LC])|(L?XX{0,2})|L)?((I[VX])|(V?(II{0,2}))|V)?))$
Description	This RE validates alpha characters that evaluate to Roman numerials, ranging from 1(I) - 3999(MMMCMXCIX). Not case sensitive.
Matches	III | xiv | MCMXCIX
Non-Matches	iiV | MCCM | XXXX
Author	Rating: Not yet rated. Michael Ash

Title	Test Details Pattern Title
Expression	^(([+]\d{2}[ ][1-9]\d{0,2}[ ])|([0]\d{1,3}[-]))((\d{2}([ ]\d{2}){2})|(\d{3}([ ]\d{3})*([ ]\d{2})+))$
Description	Swedish phone numbers according to SIS standard
Matches	+46 8 123 456 78 | 08-123 456 78 | 0123-456 78
Non-Matches	+46 08-123 456 78 | 08 123 456 78 | 0123 456 78
Author	Rating: Not yet rated. Martin Henningsson

Title	Test Details Pattern Title
Expression	^\d{2}(\x2e)(\d{3})(-\d{3})?$
Description	Other expression to standard 5 digit Brazilian Postal Codes (CEP), or the CEP + 3 digits (distribution identifiers - suffix). The diference of the original one, is that the "." is mandatory.
Matches	12.345-678 | 23.345-123 | 99.999
Non-Matches	41222-222 | 3.444-233 | 43.324444
Author	Rating: Not yet rated. Rafael Miranda

Title	Test Details Pattern Title
Expression	(NOT)?(\s*\(*)\s*(\w+)\s*(=|<>|<|>|LIKE|IN)\s*(\(([^\)]*)\)|'([^']*)'|(-?\d*\.?\d+))(\s*\)*\s*)(AND|OR)?
Description	Heres my sql clause parser regexp for recordset filtering. Does recursive query parsing all by its self. Only problem I cant figure is how to match comma separated lists of quoted strings. Tell me if you figure out how! The unicodes in the re was put in by the entry form please replace them with their ascii equivalents to use it.
Matches	Aeroplane LIKE 767 | Movie LIKE 'Star' AND NOT Movie LIKE 'Trek' | Number IN (1,2,3,4,5)
Non-Matches	Hello there | A=EXCELLENT OR | B!=POOR
Author	Rating: Not yet rated. Joseph Warwick

Title	Test Details Pattern Title
Expression	(.*\.([wW][mM][aA])|([mM][pP][3])$)
Description	Matches a file name to be either a .wma or .mp3 file. This can be used to check file uploads to make sure they are of a certain type. Substitute letters where appropriate for specific file types. To include more simply add logical 'or' (|) operator and append.
Matches	thisfile.mp3 | [email protected]
Non-Matches	whatever.exe | somethingelse.mpa | thisagain.wm3
Author	Rating: Not yet rated. Pete Samwel

Title	Test Details Pattern Title
Expression	[1-2][0|9][0-9]{2}[0-1][0-9][0-3][0-9][-][0-9]{4}
Description	Swedish person number. Don't work on persons older then 100 years, but they are so few that it shouldn't be a problem. Easy to fix, but I choose not to accept oldies...
Matches	19740609-7845 | 19811116-7845 | 20010913-7598
Non-Matches	21003612-9999 | 18790505-4545 | 19740641-5559
Author	Rating: Not yet rated. Tomas Axelsson

Title	Test Details AMD Athlon/Duron Codes (not Athlon 64)
Expression	^((A(((H[MX])|(M(P|SN))|(X((D[ACH])|(M[DS]))?)))?)|(K7(A)?)|(D(H[DLM])?))(\d{3,4})[ABD-G][CHJK-NPQT-Y][Q-TV][1-4][B-E]$
Description	Matches valid reference codes for AMD Athlon and Duron processors (not Athlon 64).
Matches	AXDA3200DKV4E | A1000AMT3B | D800AUT1B
Non-Matches	N/A
Author	Rating: Not yet rated. Amos Hurd

Title	Test Details Pattern Title
Expression	^(.|\n){0,16}$
Description	Limit Length - limit the length of a text box or other area to contain any character plus new line
Matches	shorter than max
Non-Matches	string longer than max
Author	Rating: Not yet rated. David Yack

Title	Test Details Pattern Title
Expression	^((4\d{3})|(5[1-5]\d{2}))(-?|\040?)(\d{4}(-?|\040?)){3}|^(3[4,7]\d{2})(-?|\040?)\d{6}(-?|\040?)\d{5}
Description	Credit card validator for AMEX, VISA, MasterCard only. Allows spaces, dashes, or no separator between digit groups according to the layout (4-6-5 for AMEX, 4-4-4-4 for Visa and Mastercard)
Matches	3711-078176-01234 | 4123 5123 6123 7123 | 5123412361237123
Non-Matches	3711-4123-5123-6112
Author	Rating: Not yet rated. Rick Spiewak

Title	Test Details Pattern Title
Expression	^\d{5}(-\d{3})?$
Description	Matches standard 5 digit Brazilian Postal Codes (CEP), or the CEP + 3 digits (distribution identifiers - suffix). For more info refer to: http://www.correios.com.br/servicos/cep/Estrutura_CEP.cfm (in portuguese).
Matches	13165-000 | 38175-000 | 81470-276
Non-Matches	13165-00 | 38175-abc | 81470-2763
Author	Rating: Not yet rated. Carlos Nascimento

Title	Test Details Pattern Title
Expression	^[AaWaKkNn][a-zA-Z]?[0-9][a-zA-Z]{1,3}$
Description	Simple match for U.S. Amateur Radio Call signs Must start with an A,K,N or W. 1 or two prefix letters (not case sensitive), Exactly one zone digit, One to three suffix digits( not case sensitive). 73
Matches	kd6dun | W9OXZ | kb8ae
Non-Matches	kdd90bz | de7bgw | WV7BXQ5
Author	Rating: Not yet rated. David Tersigni

Title	Test Details Pattern Title
Expression	^[\u0081-\uFFFF]{1,}$
Description	Double byte charactors validator. The rule applies to double byte charactor input validation.
Matches	??? | ????
Non-Matches	ABC | ;&#F;
Author	Rating: Not yet rated. Max Lu

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: Not yet rated. Andre Van Der Merwe

Title	Test Details Pattern Title
Expression	^[a-z]+[0-9]*[a-z]+$
Description
Matches	aaa111bbb
Non-Matches	111aaa
Author	Rating: Not yet rated. Nitesh Waghela

Title	Test Details Pattern Title
Expression	^[^#]([^ ]+ ){6}[^ ]+$
Description	We've come across the situation where we had to extract the IIS-Log entries without the header information. The data is far more complex than the sample given. Explanation: ^[^#] = lines not beginnin with # ([^ ]+ ){6} = 6 times no space until one space [^ ]+ = no spaces allowed... $ = ...until end of line For further explanation don't hesitate to write E-Mail.
Matches	1111 2222 33 44444 55 6 7777
Non-Matches	#IIS Logfile header
Author	Rating: Not yet rated. Volker Roth

Title	Test Details Pattern Title
Expression	^\s*(((\d*\.?\d*[0-9]+\d*)|([0-9]+\d*\.\d*) )\s*[xX]\s*){2}((\d*\.?\d*[0-9]+\d*)|([0-9]+\d*\.\d*))\s*$
Description	This validates Length times Width times Height measurements, which consists of 3 whole or decimal numbers separated by an x.
Matches	1.1 x 4.35 x 5.0 | 1 x 2 x 3 | 4.75 x 300.25 x 0
Non-Matches	z.56 x 6 x 7 | 1 xx 2 x 3 | 1 by 2 by 3
Author	Rating: Not yet rated. Rod Early