How to replace special characters with their equivalent (such as “ á ” for “ a”) in C#?

Question

I need to get the Portuguese text content out of an Excel file and create an xml which is going to be used by an application that doesn\'t support characters such as \"ç\",

Answer 1

The perform is better with this solution:

string test = "áéíóúç";

string result = Regex.Replace(test .Normalize(NormalizationForm.FormD), "[^A-Za-z| ]", string.empty);