Regular Expressions 101

This regex will allow you validate the pattern of Nigeria phone number.

To match all CPR numbers only with validt dates

Compliant with RFC 5322

Used in C# in my particular case.

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

Full email validation with optional "." "-" "_"

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

Validation when city and state are like in format city, state

URL validation with http/https

This Regx has full validation of a standard email ID

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

Email validation according to RFC standards

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.

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

Complete (recursive) JSON validation regular expression.

This is for the validation of number

No perfect, missing GIR postcodes, but should match most of the postcodes for extraction. It's not a postcode validator, just an extractor, validation should be done after extraction.

For password validation