get the first letter of a string c# code example

Example 1: c# capitalize first letter

string text = "john smith";

// "John smith"
string firstLetterOfString = text.Substring(0, 1).ToUpper() + text.Substring(1);

// "John Smith"
// Requires Linq! using System.Linq;
string firstLetterOfEachWord =
		string.Join(" ", text.Split(' ').ToList()
				.ConvertAll(word =>
						word.Substring(0, 1).ToUpper() + word.Substring(1)
				)
		);

Example 2: get first number in string C#

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