gnuzilla

https://github.com/foo123/RegexAnalyzer/issues/1#issuecomment-750039255

The (implied) license is as free as it can get. You can modify it and use it anywhere you want if it suits you.

An attribution to original author would be appreciated but even this is not mandatory.

Copy Left

References:

• https://en.wikipedia.org/wiki/Copyleft
• http://gplv3.fsf.org/wiki/index.php/Compatible_licenses