28 lines
781 B
C#
28 lines
781 B
C#
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using System.Text.RegularExpressions;
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using System.Collections.Generic;
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class Phrase {
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public static Dictionary<string,int> WordCount(string phrase) {
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Dictionary<string,int> ret = new Dictionary<string,int>();
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Regex rgx = new Regex("[^a-zA-Z0-9 ,']");
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phrase = rgx.Replace(phrase, "");
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string[] words = Regex.Split(phrase, @"[\s,]");
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char[] trimChars = new char[2];
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trimChars[0] = ' ';
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trimChars[1] = '\'';
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foreach(string wrd in words) {
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string normWrd = wrd.ToLower().Trim(trimChars);
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if(normWrd != "") {
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int num = 0;
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if(ret.ContainsKey(normWrd)) {
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ret.TryGetValue(normWrd, out num);
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ret.Remove(normWrd);
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}
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num++;
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ret.Add(normWrd, num);
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}
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}
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return ret;
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}
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}
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