Unity3D: String extension ToInt(), ToFloat(), ToBool(), BetterFormat().

StringExample.cs

public class StringExample {
	
	private int intFromString;
	
	private float floatFromString;
	
	private bool boolFromString;
	
	private string format = "Hi {Name} {Last}, I'm {Age} years old. I'm from {Country}.";
	
	private string formattedString;

	public StringExample {
		intFromString = "1".ToInt();
		floatFromString = "2.123".ToFloat();
		boolFromString = "True".ToBool();
		formattedString = format.BetterFormat(new { Name = "John", Last = "Doe", Age = 21, Country = "Thailand" });
	}
}

StringExtension.cs

using System;
using System.ComponentModel;

namespace Opendream.Extension {

	public static class StringExtension {

		public static int ToInt(this string s) {
			int result = 0;
			int.TryParse(s, out result);
			return result;
		}

		public static float ToFloat(this string s) {
			float result = 0;
			float.TryParse(s, out result);
			return result;
		}

		public static bool ToBool(this string s) {
			return (string.Compare(s, "True", System.StringComparison.OrdinalIgnoreCase) == 0);
		}

		/// <summary>
		/// Betters the format.
		/// See http://stackoverflow.com/a/4077118/1597295.
		/// </summary>
		/// <returns>The format.</returns>
		/// <param name="format">Format.</param>
		/// <param name="source">Source.</param>
		public static string BetterFormat(this string format, object source) {
			if (format == null) {
				throw new ArgumentNullException("format");
			}

			string result = format;
			foreach (PropertyDescriptor prop in TypeDescriptor.GetProperties(source)) {
				result = result.Replace("{" + prop.Name + "}", (prop.GetValue(source) ?? "(null)").ToString());
			}
				
			return result;
		}

	}

}