C#

Manoj Kumar Rai wrote:

First of all, the ID cannot be a Primary Key as it will not be unique, since anybody can have more than 1 phones.

string textold= "mississippi";
int countold = textold.Length;
string textnew = textold.Replace("i", "");
int countnew = textnew.Length;
int Found = countold-countnew;

Luc Pattyn wrote:

Aha, I see you remembered that one!

int i = new List<char>("mississippi".ToCharArray()).FindAll(delegate(char c) { return c == 'i'; }).Count;

string TextToParse= "mississippi";
string TextToSearch= "i";
int Found = 0;
for(int startpoint=TextToParse.IndexOf(TextToSearch,0);startpoint>-1;startpoint = TextToParse.IndexOf(TextToSearch,startpoint+1))
{
    Found++;
}

string test = "this is the test to see if this returns three to this string";
string stringToFind = "this";


Console.Write(new Regex(stringToFind, RegexOptions.Multiline).Count);