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Regex Tester

Test and validate regular expressions

Regular Expression

//

Test String

Common IAM Patterns

Quick Reference

. Any char
^ Start
$ End
* 0+
+ 1+
? 0 or 1
\d Digit
\w Word
\s Space
[ab] Class
() Group
a|b Or
Learn More

About Regular Expressions

  • •Pattern matching language for text search and validation
  • •JavaScript regex engine (ECMAScript specification)
  • •Flags: g (global), i (case-insensitive), m (multiline)
  • •Named groups with (?<name>...) syntax

Regex in IAM

  • •Username Policies – Enforce naming conventions
  • •Password Rules – Validate complexity requirements
  • •URL Whitelisting – OAuth redirect_uri validation
  • •Attribute Mapping – Transform claim values