Regex Tester

Test JavaScript regular expressions with live match highlighting, capture groups, named groups, and flag toggles. Free, private, browser-only.

Pattern

Test string

4 matches

Highlights

hello world from ToolStack

Captures

#1 @ 0"hello"

Groups: ["hello"]

#2 @ 6"world"

Groups: ["world"]

#3 @ 12"from"

Groups: ["from"]

#4 @ 17"ToolStack"

Groups: ["ToolStack"]