using static System.Console;
public class Program {
public static void Main() {
var texto = "(99) 9999-9999";
WriteLine(texto.Replace(new string[] {"(", ")", "-", " " }, ""));
}
}
public static class StringExt {
public static string Replace(this string str, string[] separators, string newValue) {
foreach (var chr in separators) str = str.Replace(chr, newValue);
return str;
}
}
//https://pt.stackoverflow.com/q/98332/101
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