字符串中包含指定字符串的数目代码,Asp.Net代码库,德仔网

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【Asp.Net】字符串中包含指定字符串的数目
作者:Dezai.CN / 发布于2011/6/30/ 494
<div><span style="color: rgb(128,128,128)">///</span><span style="color: rgb(0,128,0)"> </span><span style="color: rgb(128,128,128)"><summary></span><span style="color: rgb(0,128,0)">
 </span><span style="color: rgb(128,128,128)">///</span><span style="color: rgb(0,128,0)"> 字符串中包含指定字符串的数目
 </span><span style="color: rgb(128,128,128)">///</span><span style="color: rgb(0,128,0)"> </span><span style="color: rgb(128,128,128)"></summary></span><span style="color: rgb(0,128,0)">
 </span><span style="color: rgb(128,128,128)">///</span><span style="color: rgb(0,128,0)"> </span><span style="color: rgb(128,128,128)"><param name="strSource"></param></span><span style="color: rgb(0,128,0)">
 </span><span style="color: rgb(128,128,128)">///</span><span style="color: rgb(0,128,0)"> </span><span style="color: rgb(128,128,128)"><param name="strDe"></span><span style="color: rgb(0,128,0)">指定字符串</span><span style="color: rgb(128,128,128)"></param></span><span style="color: rgb(0,128,0)">
 </span><span style="color: rgb(128,128,128)">///</span><span style="color: rgb(0,128,0)"> </span><span style="color: rgb(128,128,128)"><returns></returns></span><span style="color: rgb(128,128,128)">
</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(0,0,255)">public</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(0,0,255)">static</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(0,0,255)">int</span><span style="color: rgb(0,0,0)"> StringContainCount(</span><span style="color: rgb(0,0,255)">this</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(0,0,255)">string</span><span style="color: rgb(0,0,0)"> strSource, </span><span style="color: rgb(0,0,255)">string</span><span style="color: rgb(0,0,0)"> strDe) {
 </span><span style="color: rgb(0,0,255)">int</span><span style="color: rgb(0,0,0)"> result </span><span style="color: rgb(0,0,0)">=</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(128,0,128)">0</span><span style="color: rgb(0,0,0)">;

 </span><span style="color: rgb(0,0,255)">if</span><span style="color: rgb(0,0,0)"> (</span><span style="color: rgb(0,0,255)">string</span><span style="color: rgb(0,0,0)">.IsNullOrEmpty(strSource) </span><span style="color: rgb(0,0,0)">||</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(0,0,255)">string</span><span style="color: rgb(0,0,0)">.IsNullOrEmpty(strDe) </span><span style="color: rgb(0,0,0)">||</span><span style="color: rgb(0,0,0)"> strSource.Length </span><span style="color: rgb(0,0,0)"><</span><span style="color: rgb(0,0,0)"> strDe.Length) {
</span><span style="color: rgb(0,0,255)">return</span><span style="color: rgb(0,0,0)"> result;
 }

 </span><span style="color: rgb(0,0,255)">string</span><span style="color: rgb(0,0,0)"> str </span><span style="color: rgb(0,0,0)">=</span><span style="color: rgb(0,0,0)"> strSource;

 str </span><span style="color: rgb(0,0,0)">=</span><span style="color: rgb(0,0,0)"> str.Replace(strDe, </span><span style="color: rgb(128,0,0)">""</span><span style="color: rgb(0,0,0)">);

 </span><span style="color: rgb(0,0,255)">int</span><span style="color: rgb(0,0,0)"> count </span><span style="color: rgb(0,0,0)">=</span><span style="color: rgb(0,0,0)"> (strSource.Length </span><span style="color: rgb(0,0,0)">-</span><span style="color: rgb(0,0,0)"> str.Length);

 </span><span style="color: rgb(0,0,255)">if</span><span style="color: rgb(0,0,0)"> (count </span><span style="color: rgb(0,0,0)">></span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(128,0,128)">0</span><span style="color: rgb(0,0,0)">) {
 result </span><span style="color: rgb(0,0,0)">=</span><span style="color: rgb(0,0,0)"> count </span><span style="color: rgb(0,0,0)">/</span><span style="color: rgb(0,0,0)"> strDe.Length;
 }
 </span><span style="color: rgb(0,0,255)">else</span><span style="color: rgb(0,0,0)"> {
 result </span><span style="color: rgb(0,0,0)">=</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(128,0,128)">0</span><span style="color: rgb(0,0,0)">;
 }
 </span><span style="color: rgb(0,0,255)">return</span><span style="color: rgb(0,0,0)"> result;
 }

 </span><span style="color: rgb(128,128,128)">///</span><span style="color: rgb(0,128,0)"> </span><span style="color: rgb(128,128,128)"><summary></span><span style="color: rgb(0,128,0)">
 </span><span style="color: rgb(128,128,128)">///</span><span style="color: rgb(0,128,0)"> 判断集合字符串是否包含某元素
 </span><span style="color: rgb(128,128,128)">///</span><span style="color: rgb(0,128,0)"> </span><span style="color: rgb(128,128,128)"></summary></span><span style="color: rgb(0,128,0)">
 </span><span style="color: rgb(128,128,128)">///</span><span style="color: rgb(0,128,0)"> </span><span style="color: rgb(128,128,128)"><param name="strSource"></span><span style="color: rgb(0,128,0)">集合字符串</span><span style="color: rgb(128,128,128)"></param></span><span style="color: rgb(0,128,0)">
 </span><span style="color: rgb(128,128,128)">///</span><span style="color: rgb(0,128,0)"> </span><span style="color: rgb(128,128,128)"><param name="strSplit"></span><span style="color: rgb(0,128,0)">分隔符号</span><span style="color: rgb(128,128,128)"></param></span><span style="color: rgb(0,128,0)">
 </span><span style="color: rgb(128,128,128)">///</span><span style="color: rgb(0,128,0)"> </span><span style="color: rgb(128,128,128)"><param name="strElement"></span><span style="color: rgb(0,128,0)">元素字符串</span><span style="color: rgb(128,128,128)"></param></span><span style="color: rgb(0,128,0)">
 </span><span style="color: rgb(128,128,128)">///</span><span style="color: rgb(0,128,0)"> </span><span style="color: rgb(128,128,128)"><returns></returns></span><span style="color: rgb(128,128,128)">
</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(0,0,255)">public</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(0,0,255)">static</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(0,0,255)">bool</span><span style="color: rgb(0,0,0)"> ContainElement(</span><span style="color: rgb(0,0,255)">this</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(0,0,255)">string</span><span style="color: rgb(0,0,0)"> strSource, </span><span style="color: rgb(0,0,255)">string</span><span style="color: rgb(0,0,0)"> strSplit, </span><span style="color: rgb(0,0,255)">string</span><span style="color: rgb(0,0,0)"> strElement) {
 </span><span style="color: rgb(0,0,255)">if</span><span style="color: rgb(0,0,0)"> (</span><span style="color: rgb(0,0,255)">string</span><span style="color: rgb(0,0,0)">.IsNullOrEmpty(strSource) </span><span style="color: rgb(0,0,0)">||</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(0,0,255)">string</span><span style="color: rgb(0,0,0)">.IsNullOrEmpty(strElement) </span><span style="color: rgb(0,0,0)">||</span><span style="color: rgb(0,0,0)"> strElement.Length </span><span style="color: rgb(0,0,0)">></span><span style="color: rgb(0,0,0)"> strSource.Length) {
 </span><span style="color: rgb(0,0,255)">return</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(0,0,255)">false</span><span style="color: rgb(0,0,0)">;
 }

 </span><span style="color: rgb(0,0,255)">return</span><span style="color: rgb(0,0,0)"> strSource.Split(</span><span style="color: rgb(0,0,255)">new</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(0,0,255)">string</span><span style="color: rgb(0,0,0)">[] { strSplit }, StringSplitOptions.RemoveEmptyEntries).Contains(strElement);
 }</span>
</div>
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