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
((\(?(\+420|00420|420)\)? ?)?([0-9]{3} ?(([0-9]{3} ?[0-9]{3})|([0-9]{2} ?[0-9]{2} ?[0-9]{2}))))|([0-9]{4})