Which online, regular expression editors can I use to validate a regex I generated?

[bhargavimusigma]

I have extracted regex for a log, need to validate it on programming editor.
Which platform do i need to use?
Any Online editors are available?

Thanks in advance.

[sbbadri]

https://regex101.com/

[jplumsdaine22]

give the author monies - he made an amazing tool