Regex Tester

Test regular expressions against text — runs entirely in your browser.

Pattern

//gi

Flags

Test string

Matches4 matches

[1] "Hello" at index 0

[2] "World" at index 6

[3] "hello" at index 13

[4] "world" at index 19

Cheat sheet

Anchors

Quantifiers

Groups

Character classes

Flags