c# string non-numeric only code example
Example: c# replace all non numeric characters
var input = "+33 06 06-78-75 aze";
var result = new string(input.Where(c => char.IsDigit(c)).ToArray());
//result => "3306067875"
var input = "+33 06 06-78-75 aze";
var result = new string(input.Where(c => char.IsDigit(c)).ToArray());
//result => "3306067875"