[Ghoghnus]

شمارش تعداد تکرار یک کلمه در رشته

کد:

Get Frequence of word in string

        int GetFreq(string word)

        {

            string st = null;

            st = 'StringThatContainWord';

            int start = 0, count = 0, curr = 0;

            int last = st.LastIndexOf(word);

            do

            {

                curr = st.IndexOf(word, start);

                if (curr != -1)

                {

                    count++;

                    start = curr + 1;

                }

            }

            while (last != curr);

            return count;

        }