Added FindNumOccurrence()

CSClasses/Algorithms.cs

@@ -705,5 +705,9 @@ namespace mee{
 			//Return the proper number. The location counter is 1 off of the subscript
 			return fibNums[(fibLoc - 1) % 3];
 		}
+		//This function return sht enumber of times the character occurs in the string
+		public static long FindNumOccurrence(string str, char c){
+			return str.Count(ch => ch == c);
+		}
 	}
 }