Regex Convert from Js to C#

Question

How can I convert to following Js regex into C#

let regex = /^([+]?\d{1,2}[.-\s]?)?(\d{3}[.-]?){2}\d{4}$/;

This patterns matches with following international mobile phone numbers

044668180099,
+49-691-234-5678,
+90-537-325-2345,
90-537-566-7152,

I want to do same matches wirh C#

Please advice

user_11901044 · Answer

Remove '/' at the start and the end of the string.

Regex.Match(yourline, @"^([+]?\d{1,2}[.\-\s]?)?(\d{3}[.-]?){2}\d{4}$");