delete a letter with substring c# code example

Example 1: remove all text after string c#

string input = "text?here";
int index = input.LastIndexOf("?"); // Character to remove "?"
if (index > 0)
    input = input.Substring(0, index); // This will remove all text after character ?

Example 2: remove carriage returns from string c#

// Remove newlines from both sides of the 'example' string variable
string cleaned = example.Trim('\r', '\n');