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Title	Test Details Pattern Title
Expression	^[a-zA-Z0-9\s.\-_']+$
Description	Alphanumeric, hyphen apostrophe, comma dash spaces
Matches	dony d'gsa
Non-Matches	^[a-zA-Z0-9\s.\-_']+$
Author	Rating: Not yet rated. Sonal Bordia

Title	Test Details Pattern Title
Expression	^[a-zA-Z_][a-zA-Z0-9_]*$
Description	Matches variable names/identifier from C# (and most other languages)
Matches	VariableName | i | Some_Value_3
Non-Matches	3ID | Hello World
Author	Rating: Not yet rated. Andrew Deren

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	(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	^((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 Text Extension
Expression	^(([a-zA-Z]:)|(\\{2}\w+)\$?)(\\(\w[\w ]*))+\.(txt|TXT)$
Description	This RE validates a path/file of type txt (text file) This RE can be used as a filter on certain file types, while insuring the entire string is a fully qualified path and file. The filter value can be changed or added to as you need
Matches	c:\file.txt | c:\folder\sub folder\file.txt | \\network\folder\file.txt
Non-Matches	C: | C:\file.xls | folder.txt
Author	Rating: Not yet rated. Michael Ash

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

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	(AUX|PRN|NUL|COM\d|LPT\d)+\s*$
Description	"Be careful when opening or creating files by using Scripting File System Object. If the filename is based on the user's input, the user might attempt to open a serial port or printer."
Matches	COM1 | AUX | LPT1
Non-Matches	image.jpg | index.html | readme.txt
Author	Rating: Not yet rated. Chris Craft

Title	Test Details Pattern Title
Expression	(?s)(?:\e\[(?:(\d+);?)*([A-Za-z])(.*?))(?=\e\[|\z)
Description	This expression will match all of the commands(escape codes) used in ANSI files. These are what were used to create the colors/blocks on BBS's for those of us that once dialed into them. http://www.wikipedia.org/wiki/ANSI_escape_code has a reference for ANSI escape codes. http://idledreams.net/lordscarlet/posts/153.aspx shows an example of the engine I have created surrounding the expression
Matches	Hello | Test | 
Non-Matches	abc
Author	Rating: Not yet rated. Doug Moore

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	^\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	^[\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	^[^#]([^ ]+ ){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	^[A-Za-z]{2}[0-9]{6}[A-Za-z]{1}$
Description	UK National Insurance Number validation. Especially useful to validate through clientside/server side script on a website.
Matches	SP939393H | PX123456D | SW355667G
Non-Matches	12SP9393H | S3P93930D | 11223344SP00ddSS
Author	Rating: Not yet rated. Santosh Potadar

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	^[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	^\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