计算字符串中子串出现次数代码,CSharp代码库,德仔网

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【CSharp】计算字符串中子串出现次数

作者:using System; / 发布于2011/7/20/ 659

<div><span style="color: gray">/// <summary>
/// </span><span style="color: green">计算字符串中子串出现的次数
</span><span style="color: gray">/// </summary>
/// <param name="str"></span><span style="color: green">字符串</span><span style="color: gray"></param>
/// <param name="substring"></span><span style="color: green">子串</span><span style="color: gray"></param>
/// <returns></span><span style="color: green">出现的次数</span><span style="color: gray"></returns>
</span><span style="color: blue">static int </span>SubstringCount(<span style="color: blue">string </span>str, <span style="color: blue">string </span>substring)
{
 <span style="color: blue">if </span>(str.Contains(substring))
 {
 <span style="color: blue">string </span>strReplaced = str.Replace(substring, <span style="color: rgb(163,21,21)">""</span>);
 <span style="color: blue">return </span>(str.Length - strReplaced.Length) / substring.Length;
 }

 <span style="color: blue">return </span>0;
}
<div></div>
<div>int 出现次数 = SubstringCount("abcddafasfasfljlasjgs", "as");</div>
<div></div>

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