Regular Expressions 101

The file name validation algorithm from MS KB905231, I assumed the prohibited suffixes included the file extension. I.e. 'foo.doc.files' would not match but 'foo.files.doc' would.

URL validation with http/https

Nickname validation. Only: letters _ One line. Tested with RoR

Validates all formats of phone numbers for international calls. Accepts all kinds of internationa call prefixes.

This Regx has full validation of a standard email ID

This pattern validates all the possible dates for all months in YYYY-MM-DD format. Due to limitations of regex it can not validate the dates of february for leap year. It will allow the date 29 for leap year too. Make sure to validate that yourself.

Complete (recursive) JSON validation regular expression.

This RegEx checks if a text is valid for a SEPA-XML-File. It should be helpfull if you want to implement payment information to your site and don´t wont to get into trouble with char conversion that is done by your bank.

This is validation that is used in html5 for validate the url. http://www.faqs.org/rfcs/rfc3987.html

this regex is able to validate a date (format dd.mm.yyyy) in every state of user typing. i use it to ensure that the user isn't able to type in an invalid date at all (except from a leap year check which is done afterwards) The regex also makes assumptions of 'missed' separators so 1234 is captured...

allows white spaces, -, Umlaut and ß

Checks that a password has a minimum of 6 characters, at least 1 uppercase letter, 1 lowercase letter, and 1 number with no spaces.

This is for the validation of number

HTTP/1.0 404 Not Found Cache-Control: no-cache Content-Type: application/json {"validation_message":'...'} ...

A password regex that has to have 6 characters at minimum, not spaces allowed, and at least 1 special character, 1 uppercase letter, 1 lowercase letter and a digit

Validator for a typical resource ID string