get first char of a string c# code example

Example 1: c# get first 5 characters of string

string result = str.Substring(0,5);

Example 2: c# get char from string

char first = mystring[0];
char second = mystring[1];
char third = mystring[2];

Example 3: get first number in string C#

var input = "12985bwevgjb9812";
string firstDigit = new String(input.TakeWhile(Char.IsDigit).ToArray());