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

Title	Test Details Pattern Title
Expression	^\d{3}-\d{2}-\d{4}$
Description	This regular expression will match a hyphen-separated Social Security Number (SSN) in the format NNN-NN-NNNN.
Matches	333-22-4444 | 123-45-6789
Non-Matches	123456789 | SSN
Author	Rating: Not yet rated. Steven Smith

Title	Test Details Positive Integer
Expression	^\d+$
Description	Positive integer value.
Matches	123 | 10 | 54
Non-Matches	-54 | 54.234 | abc
Author	Rating: Steven Smith

Title	Test Details Signed Integer
Expression	^(\+|-)?\d+$
Description	Matches any signed integer.
Matches	-34 | 34 | +5
Non-Matches	abc | 3.1415 | -5.3
Author	Rating: Steven Smith

Title	Test Details Any One US ASCII Letter
Expression	^[a-zA-Z]$
Description	Matches any single upper- or lower-case letter.
Matches	a | B | c
Non-Matches	0 | & | AbC
Author	Rating: Steven Smith

Title	Test Details A string of any US ASCII letters
Expression	^[a-zA-Z]+$
Description	Matches any string of only upper- and lower- case letters (no spaces).
Matches	abc | ABC | aBcDeF
Non-Matches	abc123 | mr. | a word
Author	Rating: Not yet rated. Steven Smith

Title	Test Details Alphanumeric
Expression	^[a-zA-Z0-9]+$
Description	Matches any alphanumeric string (no spaces).
Matches	10a | ABC | A3fg
Non-Matches	45.3 | this or that | $23
Author	Rating: Not yet rated. Steven Smith

Title	Test Details Pattern Title
Expression	^[0,1]?\d{1}\/(([0-2]?\d{1})|([3][0,1]{1}))\/(([1]{1}[9]{1}[9]{1}\d{1})|([2-9]{1}\d{3}))$
Description	This expression checks the validity of a date (US, but it is easily editable for other format's). Year's 1990-9999, Month's 1 or 01 to 12, Day's 1 or 01 to 31. Still needs to have individual months added (i.e., Feb's 28 days), and some how to check for leap year...the months issue should not be to hard, but the leap year seems like a real chore. Please let me know if you have any suggestions for leap year.
Matches	01/01/1990 | 12/12/9999 | 3/28/2001
Non-Matches	3-8-01 | 13/32/1001 | 03/32/1989
Author	Rating: Scott Watermasysk

Title	Test Details Pattern Title
Expression	((\(\d{3}\)?)|(\d{3}))([\s-./]?)(\d{3})([\s-./]?)(\d{4})
Description	US Phone number that accept a dot, a space, a dash, a forward slash, between the numbers. Will Accept a 1 or 0 in front. Area Code not necessary
Matches	1.2123644567 | 0-234.567/8912 | 1-(212)-123 4567
Non-Matches	0-212364345 | 1212-364,4321 | 0212\345/6789
Author	Rating: Not yet rated. Mart Maasikas

Title	Test Details Pattern Title
Expression	^\s*[a-zA-Z,\s]+\s*$
Description	Any Expression Upper/Lower Case, with commas and space between the text, with any amount of space before or after
Matches	Smith, Ed | Ed Smith | aBcDeFgH
Non-Matches	a123 | AB5 | Mr. Ed
Author	Rating: Not yet rated. Mart Maasikas

Title	Test Details Pattern Title
Expression	^[a-zA-Z0-9\s.\-]+$
Description	ANY alphanumeric string with spaces, commas, dashes.
Matches	2222 Mock St. | 1 A St. | 555-1212
Non-Matches	[A Street] | (3 A St.) | {34 C Ave.}
Author	Rating: Not yet rated. Mart Maasikas

Title	Test Details Strongish Password
Expression	^[a-zA-Z]\w{3,14}$
Description	The password's first character must be a letter, it must contain at least 4 characters and no more than 15 characters and no characters other than letters, numbers and the underscore may be used
Matches	abcd | aBc45DSD_sdf | password
Non-Matches	afv | 1234 | reallylongpassword
Author	Rating: Not yet rated. Steven Smith

Title	Test Details Email - Overly Simple
Expression	^\w+@[a-zA-Z_]+?\.[a-zA-Z]{2,3}$
Description	Simple email expression. Doesn't allow numbers in the domain name and doesn't allow for top level domains that are less than 2 or more than 3 letters (which is fine until they allow more). Doesn't handle multiple "." in the domain ([email protected]).
Matches	[email protected] | [email protected] | [email protected]
Non-Matches	[email protected] | [email protected] | [email protected]
Author	Rating: Steven Smith

Title	Test Details Pattern Title
Expression	\[link="(?<link>((.|\n)*?))"\](?<text>((.|\n)*?))\[\/link\]
Description	This can be used in conjunction with the replace method to provide pseudo-code support without having to enable HTML. The replacement string (in ASP.NET, use RegExp.Replace(SourceString, RegularExpressionPattern, ReplacementString) is &lt;a href=&quot;${link}&quot;&gt;${text}&lt;/a&gt;.
Matches	[link="http://www.yahoo.com"]Yahoo[/link]
Non-Matches	[link]http://www.yahoo.com[/link] | [link=http://www.yahoo.com]Yahoo[/link]
Author	Rating: Not yet rated. Ryan S

Title	Test Details Pattern Title
Expression	[0-9]{4}\s*[a-zA-Z]{2}
Description	Dutch zip code expression 4 numbers - space yes/no - 2 letters
Matches	1054 WD | 1054WD | 1054 wd
Non-Matches	10543
Author	Rating: Not yet rated. Roland Mensenkamp

Title	Test Details Pattern Title
Expression	(^1300\d{6}$)|(^1800|1900|1902\d{6}$)|(^0[2|3|7|8]{1}[0-9]{8}$)|(^13\d{4}$)|(^04\d{2,3}\d{6}$)
Description	Australian phone numbers: Matches all known formats incl normal 10-digit landline numbers (valid area code mandatory) 13, 1300, 1800, 1900, 1902 plus mobile 10 and 11-digit formats. Use a Replace function first to remove non-numerics which are probably separators (E.g. newNum = number.replace(/[\D]/g, ""). Please contact me if you find any valid Aussie numbers being rejected.
Matches	0732105432 | 1300333444 | 131313
Non-Matches	32105432 | 13000456
Author	Rating: Bill Hely

Title	Test Details Pattern Title
Expression	^\$?([0-9]{1,3},([0-9]{3},)*[0-9]{3}|[0-9]+)(.[0-9][0-9])?$
Description	Matches currency input with or without commas.
Matches	$3,023,123.34 | 9,876,453 | 123456.78
Non-Matches	4,33,234.34 | $1.234 | abc
Author	Rating: Brian Orrell

Title	Test Details Pattern Title
Expression	((\d{2})|(\d))\/((\d{2})|(\d))\/((\d{4})|(\d{2}))
Description	This matches simple dates against 1 or 2 digits for the month, 1 or 2 digit for the day, and either 2 or 4 digits for the year
Matches	4/5/91 | 04/5/1991 | 4/05/89
Non-Matches	4/5/1
Author	Rating: Andrew Lader

Title	Test Details Pattern Title
Expression	^(([1-9])|(0[1-9])|(1[0-2]))\/((0[1-9])|([1-31]))\/((\d{2})|(\d{4}))$
Description	Matches U.S. dates with leading zeros and without and with 2 or four digit years
Matches	01/01/2001 | 1/1/2001 | 01/1/01
Non-Matches	13/01/2001 | 1/2/100 | 09/32/2001
Author	Rating: Chris Becker

Title	Test Details Pattern Title
Expression	^\d{5}(-\d{4})?$
Description	Matches standard 5 digit US Zip Codes, or the US ZIP + 4 Standard.
Matches	48222 | 48222-1746
Non-Matches	4632 | Blake | 37333-32
Author	Rating: Blake Facey

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