[NEW TOOL] RegExp Match Generator Tool

[Nezteb]

What tool do you want?

A regular expression match generator.

Describe the solution you'd like

Given a regex, the tool would generate random strings that match the regex.

Is their example of this tool in the wild?

• https://github.com/fent/randexp.js/
• http://fent.github.io/randexp.js/

Additional context

Similar to #308; will probably share similar regex code.

[sharevb]

Hi @Nezteb and @CorentinTh, implemented in #1030