Regular Expressions in C#

Question

Can someone tell me where I can find thorough lessons for RegEx in C#? On SoloLearn, all I find is for other programming languages.

Answer 1

try to download some books on c# from libgen

Answer 2

I have downloaded a few books and I have one in hard copy Yet, not good enough for RegExp or not even include such. Do you have any names, please? Or YouTube channels,which would work great as well?