static void Main(string[] args)
{
string[] strArr = new string[]
{
"1asrg 66dfgh00 123abc45",
"111111 Empty 222222 777",
"123456789test string765433456"
};
ConvertRule cr1 = new ConvertRule(RemoveDigits);
cr1 += RemoveSpaces;
for (int i = 0; i < strArr.Length; i++)
{
Console.WriteLine(cr1.Invoke(ref strArr[i]));
}
}
public string Convert(string str, ConvertRule cr)
{
return(cr.Invoke(ref str));
}
public string MyConvert(string str, ConvertRule cr)
{
return(cr?.Invoke(str));
}