using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace P12_string
{
    class Program
    {
        static void Main(string[] args)
        {
            string s = "ana are mere";
            Console.WriteLine(s.IndexOf('r'));//cauta caracter
            Console.WriteLine(s.IndexOf("mere"));//cauta sir
            Console.WriteLine(s.IndexOf('r', 3, 3));//cauta caracter de la pozizia 3, pe 3 caractere 

            s=s.Insert(8, "multe ");//inserez sir la pozitia
            Console.WriteLine(s);

            s = s.Remove(13);//sterge tot de la poz 13 pana la final
            Console.WriteLine(s);
            s = s.Remove(5,3);//sterge 3 caractere de la poz 5
            Console.WriteLine(s);

            s = s.Replace('a', '*');//inlocuiesc a cu *
            Console.WriteLine(s);

            s = "ana are mere";
            s = s.Substring(4);// ia sirul incepand cu poz 4
            Console.WriteLine(s);
            s = s.Substring(2, 3);//ia primele 3 caractere de la poz 2
            Console.WriteLine(s);

            s = "ana are mere";
            s = s.ToUpper();//transforma literele mici in mari
            Console.WriteLine(s);
            s = s.ToLower();//transforma literele mari in mici
            Console.WriteLine(s);

            s = "   " + s + "   ";
            Console.WriteLine(s);
            s = s.Trim();//elimina spatiile de la inceput si sfarsit
            Console.WriteLine(s);
            Console.ReadKey();
        }
    }
}