C# Extract letters from a String

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Ready to use method to extract only letters from a string.

// this is the string that you will be passing from another class
string str = "1H234ello46@34W3^or#$l@#d";

// This is the method you can use to process your string
public string GetLettersFromAString(string str){

  string onlyLetters = "";
  
  for (int i = 0; i < str.Count(); i++)
  {
      if (char.IsLetter(str[i]))
      {
          onlyLetters += str[i];
      }
  }
  
  return onlyLetters;
}

// returned string output: HellowWorld

Instructions:
To use the method – copy and paste it in your class, rename string variables and enter or pass a string you need to extract letters from.

C# Methods