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

Title	Test Details Pattern Title
Expression	^[0-9]+$
Description	Validate a string to see if it contains a number / integer
Matches	1234567890 | 1234567890 | 1234567890
Non-Matches	http://none | http://none | http://none
Author	Rating: Mr M

Title	Test Details Pattern Title
Expression	Last.*?(\d+.?\d*)
Description	Plucks the last quote of a Stock from the MSN MoneyCentral WebQuote page for any given stock symbol. The URL of the web page where this RegEx should be applied is: http://localhost/asp/webquote.htm?ipage=qd&Symbol=,give the stock symbol here> You must also use the singleline option.
Matches	<TR><TD ALIGN=RIGHT> </TD><TD>Last</TD><TD ALIGN=RIGHT NOW
Non-Matches	[AADDSS]
Author	Rating: Not yet rated. Prasad DV

Title	Test Details Pattern Title
Expression	^(\d{4}[- ]){3}\d{4}|\d{16}$
Description	Credit card validator. Just checks that the format is either 16 numbers in groups of four separated by a "-" or a " " or nothing at all.
Matches	1234-1234-1234-1234 | 1234 1234 1234 1234 | 1234123412341234
Non-Matches	Visa | 1234 | 123-1234-12345
Author	Rating: Not yet rated. Steven Smith

Title	Test Details Pattern Title
Expression	^((4\d{3})|(5[1-5]\d{2})|(6011))-?\d{4}-?\d{4}-?\d{4}|3[4,7]\d{13}$
Description	Matches major credit cards including: Visa (length 16, prefix 4), Mastercard (length 16, prefix 51-55), Discover (length 16, prefix 6011), American Express (length 15, prefix 34 or 37). All 16 digit formats accept optional hyphens (-) between each group of four digits.
Matches	6011-1111-1111-1111 | 5423-1111-1111-1111 | 341111111111111
Non-Matches	4111-111-111-111 | 3411-1111-1111-111 | Visa
Author	Rating: Steven Smith

Title	Test Details Pattern Title
Expression	^([0-1][0-9]|[2][0-3]):([0-5][0-9])$
Description	Matches a string if it is a valid time in the format of HH:MM
Matches	02:04 | 16:56 | 23:59
Non-Matches	02:00 PM | PM2:00 | 24:00
Author	Rating: Not yet rated. Koen Hoorelbeke

Title	Test Details Pattern Title
Expression	^([0-9]( |-)?)?(\(?[0-9]{3}\)?|[0-9]{3})( |-)?([0-9]{3}( |-)?[0-9]{4}|[a-zA-Z0-9]{7})$
Description	Matches US phone number format. 1 in the beginning is optional, area code is required, spaces or dashes can be used as optional divider between number groups. Also alphanumeric format is allowed after area code.
Matches	1-(123)-123-1234 | 123 123 1234 | 1-800-ALPHNUM
Non-Matches	1.123.123.1234 | (123)-1234-123 | 123-1234
Author	Rating: Igor Kravtsov

Title	Test Details Pattern Title
Expression	\d{4}-?\d{4}-?\d{4}-?\d{4}
Description	Major credit card validator. Only checks that the format is 16 digits (optionally separated by hyphens), not the value of any of the digits.
Matches	1234-1234-1234-1234 | 1234123412341234
Non-Matches	1234123412345
Author	Rating: Steven Smith

Title	Test Details Pattern Title
Expression	[\w-]+@([\w-]+\.)+[\w-]+
Description	Yet another simple email validator expression.
Matches	[email protected] | [email protected]
Non-Matches	asdf | 1234
Author	Rating: Steven Smith

Title	Test Details Pattern Title
Expression	((\(\d{3}\) ?)|(\d{3}-))?\d{3}-\d{4}
Description	US Phone Number -- doesn't check to see if first digit is legal (not a 0 or 1).
Matches	(123) 456-7890 | 123-456-7890
Non-Matches	1234567890
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	^\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_\-\.]+)@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.)|(([a-zA-Z0-9\-]+\.)+))([a-zA-Z]{2,4}|[0-9]{1,3})(\]?)$
Description	Email validator that adheres directly to the specification for email address naming. It allows for everything from ipaddress and country-code domains, to very rare characters in the username.
Matches	[email protected] | [email protected] | [email protected]
Non-Matches	joe | @foo.com | a@a
Author	Rating: Andy Smith

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	^[a-zA-Z0-9\-\.]+\.(com|org|net|mil|edu|COM|ORG|NET|MIL|EDU)$
Description	Domain names: This regular expression tests the validity of a domain or hostname. It will match any valid domain name that does not contain characters which are invalid in URLs, and which ends in .com, .org, .net, .mil, or .edu. You can add additional valid TLDs by appending the | (pipe) character and the desired TLD to the list in the parens.
Matches	3SquareBand.com | asp.net | army.mil
Non-Matches	$SquareBand.com | asp/dot.net | army.military
Author	Rating: Not yet rated. G. Andrew Duthie

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: Not yet rated. Michael Scovetta

Title	Test Details Pattern Title
Expression	^[1-5]$
Description	This matches a single numeric digit between 1 and 5, and is the same as saying ^[12345]$.
Matches	1 | 3 | 4
Non-Matches	6 | 23 | a
Author	Rating: Steven Smith

Title	Test Details Pattern Title
Expression	foo
Description	The "hello world" of regular expressions, this will match any string with an instance of 'foo' in it.
Matches	foo
Non-Matches	bar
Author	Rating: Steven Smith

Title	Test Details Date With Slashes
Expression	^\d{1,2}\/\d{1,2}\/\d{4}$
Description	This regular expressions matches dates of the form XX/XX/YYYY where XX can be 1 or 2 digits long and YYYY is always 4 digits long.
Matches	4/1/2001 | 12/12/2001 | 55/5/3434
Non-Matches	1/1/01 | 12 Jan 01 | 1-1-2001
Author	Rating: 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 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