判断一个字符串内有多少个数字和字母代码,CSharp代码库,德仔网

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【CSharp】判断一个字符串内有多少个数字和字母
作者:Dezai.CN / 发布于2011/3/2/ 440
<div><span style="color: #808080">///</span><span style="color: #008000"> </span><span style="color: #808080"><summary></span><span style="color: #008000">
 </span><span style="color: #808080">///</span><span style="color: #008000"> 判断一个字符串内有多少个数字和字母
 </span><span style="color: #808080">///</span><span style="color: #008000"> </span><span style="color: #808080"></summary></span><span style="color: #008000">
 </span><span style="color: #808080">///</span><span style="color: #008000"> </span><span style="color: #808080"><param name="ss"></span><span style="color: #008000">要判断的字符串</span><span style="color: #808080"></param></span><span style="color: #808080">
</span><span style="color: #000000"> </span><span style="color: #0000ff">private</span><span style="color: #000000"> </span><span style="color: #0000ff">void</span><span style="color: #000000"> ShowNumberAndCharCount(</span><span style="color: #0000ff">string</span><span style="color: #000000"> ss)
 {
 
 </span><span style="color: #0000ff">int</span><span style="color: #000000"> numCount </span><span style="color: #000000">=</span><span style="color: #000000"> </span><span style="color: #800080">0</span><span style="color: #000000">;
 </span><span style="color: #0000ff">int</span><span style="color: #000000"> charCount </span><span style="color: #000000">=</span><span style="color: #000000"> </span><span style="color: #800080">0</span><span style="color: #000000">;

 </span><span style="color: #0000ff">foreach</span><span style="color: #000000"> (</span><span style="color: #0000ff">char</span><span style="color: #000000"> c </span><span style="color: #0000ff">in</span><span style="color: #000000"> ss)
 {

 </span><span style="color: #0000ff">int</span><span style="color: #000000"> value </span><span style="color: #000000">=</span><span style="color: #000000"> (</span><span style="color: #0000ff">int</span><span style="color: #000000">)c;

 </span><span style="color: #0000ff">if</span><span style="color: #000000"> (c </span><span style="color: #000000">>=</span><span style="color: #000000"> </span><span style="color: #800080">48</span><span style="color: #000000"> </span><span style="color: #000000">&&</span><span style="color: #000000"> c </span><span style="color: #000000"><=</span><span style="color: #000000"> </span><span style="color: #800080">57</span><span style="color: #000000">)
 {
 numCount </span><span style="color: #000000">+=</span><span style="color: #000000"> </span><span style="color: #800080">1</span><span style="color: #000000">;
 }

 </span><span style="color: #0000ff">if</span><span style="color: #000000"> ((c </span><span style="color: #000000">>=</span><span style="color: #000000"> </span><span style="color: #800080">65</span><span style="color: #000000"> </span><span style="color: #000000">&&</span><span style="color: #000000"> c </span><span style="color: #000000"><=</span><span style="color: #000000"> </span><span style="color: #800080">90</span><span style="color: #000000">) </span><span style="color: #000000">||</span><span style="color: #000000"> (c </span><span style="color: #000000">>=</span><span style="color: #000000"> </span><span style="color: #800080">97</span><span style="color: #000000"> </span><span style="color: #000000">&&</span><span style="color: #000000"> c </span><span style="color: #000000"><=</span><span style="color: #000000"> </span><span style="color: #800080">122</span><span style="color: #000000">))
 {
 charCount </span><span style="color: #000000">+=</span><span style="color: #000000"> </span><span style="color: #800080">1</span><span style="color: #000000">;
 }
 }

 MessageBox.Show(</span><span style="color: #800000">"</span><span style="color: #800000">数字个数：</span><span style="color: #800000">"</span><span style="color: #000000"> </span><span style="color: #000000">+</span><span style="color: #000000"> numCount.ToString() </span><span style="color: #000000">+</span><span style="color: #000000"> </span><span style="color: #800000">"</span><span style="color: #800000">;字母个数：</span><span style="color: #800000">"</span><span style="color: #000000"> </span><span style="color: #000000">+</span><span style="color: #000000"> charCount.ToString());
 }
</span>
</div>
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