Regular Expression Library

Test Your Regular Expressions

New Silverlight Tester

Singleline

Case Insensitive

Multiline

Ignore Whitespace in Expression

Explicit Capture

URL

File

Source

Regular Expression
^((\d(\x20)\d{2}(\x20)\d{2}(\x20)\d{2}(\x20)\d{3}(\x20)\d{3}((\x20)\d{2}|))|(\d\d{2}\d{2}\d{2}\d{3}\d{3}(\d{2}|)))$