I have a requirement where I have to update valid phone numbers from bulk users.
To test if it valid, I have to check the length of only the numerals (it should 11 to 12 max)
$a = (+1) 201 839 8419
In the above example all the special characters and space has to be removed (final result should be 12018398419), I don't want to use multiple replace command and want to do it through regex, could you please help??
The below command is not working
string result = Regex.Replace($b, @"[^\d]","");
Any help pl