案例:javascript案例     状态:可编辑再运行    进入竖版
 运行结果 
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<html>
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<body>
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<script type="text/javascript">
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var str="moon"; 
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var patt1=/\bm/;
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var patt2=/oo\b/;
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var patt3=/oon\b/;
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var patt4=/\w\b\w/;
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document.write(str.match(patt1) + "<br>");
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document.write(str.match(patt2) + "<br>");
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document.write(str.match(patt3) + "<br>");
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document.write(str.match(patt4) + "<br>");
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</script>
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</body>
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</html>
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