DevToolbox

Developer utility

Regex Tester

Test regular expressions in real time with live highlighting, flag controls, common patterns, and explanations for each pattern token.

Live match highlightingPattern token tooltipsCommon regex recipes

iIgnore Case (i)mMultiline (m)gGlobal (g)

[a-z]+

hellow 123

Matches are highlighted directly in the text field.

Common Patterns