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
/class\s+([a-z0-9_]+)(?:\s+extends\s+[a-z0-9_]+)?(?:\s+implements\s+(?:[a-z0-9_]+\s*,*\s*)+)?\s*\{/Usi