提取中文字符串代码,Asp.Net代码库,德仔网

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代码分类
【Asp.Net】提取中文字符串
作者:KKcat / 发布于2012/7/26/ 516
<div><span class="kwrd"><font color="#0000ff">protected</font></span> <span class="kwrd"><font color="#0000ff">void</font></span> Page_Load(<span class="kwrd"><font color="#0000ff">object</font></span> sender, EventArgs e)
<pre>
    {</pre>
<pre class="alt">
        <span class="kwrd"><font color="#0000ff">string</font></span> str = <span class="str"><font color="#006080">"asdf进杂货"</font></span>;</pre>
<pre>
        Response.Write(GetChineseWords(str));</pre>
<pre class="alt">
        Response.Write(<span class="str"><font color="#006080">"<br/>"</font></span>);</pre>
<pre>
        <span class="kwrd"><font color="#0000ff">foreach</font></span> (<span class="kwrd"><font color="#0000ff">char</font></span> c <span class="kwrd"><font color="#0000ff">in</font></span> str)</pre>
<pre class="alt">
        {</pre>
<pre>
            <span class="kwrd"><font color="#0000ff">if</font></span> (Regex.IsMatch(c.ToString (), <span class="str"><font color="#006080">"^[\u4E00-\u9FFF]+$"</font></span>))</pre>
<pre class="alt">
                Response.Write(c);</pre>
<pre>
        }</pre>
<pre class="alt">
    }</pre>
<pre>
 </pre>
<pre class="alt">
    <span class="kwrd"><font color="#0000ff">private</font></span> <span class="kwrd"><font color="#0000ff">string</font></span> GetChineseWords(<span class="kwrd"><font color="#0000ff">string</font></span> str)</pre>
<pre>
    {</pre>
<pre class="alt">
        <span class="kwrd"><font color="#0000ff">string</font></span> strRet = <span class="kwrd"><font color="#0000ff">string</font></span>.Empty;</pre>
<pre>
        <span class="kwrd"><font color="#0000ff">int</font></span> start = Convert.ToInt32(<span class="str"><font color="#006080">"4e00"</font></span>, 16);    <span class="rem"><font color="#008000">//范围（0x4e00～0x9fff）</font></span></pre>
<pre class="alt">
        <span class="kwrd"><font color="#0000ff">int</font></span> end = Convert.ToInt32(<span class="str"><font color="#006080">"9fff"</font></span>, 16);</pre>
<pre>
 </pre>
<pre class="alt">
        <span class="kwrd"><font color="#0000ff">foreach</font></span> (<span class="kwrd"><font color="#0000ff">char</font></span> c <span class="kwrd"><font color="#0000ff">in</font></span> str)</pre>
<pre>
        {</pre>
<pre class="alt">
            <span class="kwrd"><font color="#0000ff">int</font></span> ci = (<span class="kwrd"><font color="#0000ff">int</font></span>)c;</pre>
<pre>
            <span class="kwrd"><font color="#0000ff">if</font></span> (ci >= start && ci <= end)</pre>
<pre class="alt">
            {</pre>
<pre>
                strRet += c;</pre>
<pre class="alt">
            }</pre>
<pre>
        }</pre>
<pre class="alt">
        <span class="kwrd"><font color="#0000ff">return</font></span> strRet;</pre>
<pre>
    }</pre>
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4e00~9fff是中文字符在unicode中的范围。
</div>
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