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ToolsWeb & CodeRegex Tester
Web & Code

Regex Tester

Test a JavaScript regular expression in an isolated worker.

On your deviceFREENo account needed

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ExampleSee sample input and settings

Load the example, adjust the values, then run the tool.

Example input
Hello from Dihaw. Build Better tools.
Pattern (without slashes)
[A-Z]\w+
Flags
g
WorkspaceLocal
Maximum file size: 1 MB · UTF-8
0 UTF-16 Characters ⌘ / Ctrl + Enter · Run
No result yet.Choose your options, process your input, and download or copy the result.
ReadyOn your device
Local tools process files on your device. Server tools upload files only when you choose to process them.

About this tool

Test a JavaScript regular expression in an isolated worker. Paste your own input or try the example, run the tool, then copy or download the result.

Choose your options, process your input, and download or copy the result.

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