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		<title><![CDATA[个人知识管理站 / 正则表达式]]></title>
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		<description><![CDATA[正则表达式 最近发表的帖子。]]></description>
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			<title><![CDATA[正则表达式]]></title>
			<link>http://www.itecfun.com/viewtopic.php?pid=3729#p3729</link>
			<description><![CDATA[<p>正则表达式的使用</p><br /><p><strong>函数&#160; &#160;&#160; &#160; &#160; &#160; &#160; &#160; &#160; &#160; &#160; &#160; &#160; &#160; &#160; &#160; &#160; &#160; &#160; &#160; 说明</strong><br />sub(pattern,repl,string)&#160; &#160; 把字符串中的所有匹配表达式pattern中的地方替换成repl<br />[^**]&#160; &#160;&#160; &#160; &#160; &#160; &#160; &#160; &#160; &#160; &#160; &#160; &#160; &#160; 表示不匹配此字符集中的任何一个字符<br />\u4e00-\u9fa5&#160; &#160;&#160; &#160; &#160; &#160; &#160; &#160; &#160; &#160; 汉字的unicode范围<br />\u0030-\u0039&#160; &#160;&#160; &#160; &#160; &#160; &#160; &#160; &#160; &#160; 数字的unicode范围<br />\u0041-\u005a&#160; &#160;&#160; &#160; &#160; &#160; &#160; &#160; &#160; &#160; 大写字母unicode范围<br />\u0061-\u007a&#160; &#160;&#160; &#160; &#160; &#160; &#160; &#160; &#160; &#160;小写字母unicode范围<br />\uAC00-\uD7AF&#160; &#160; &#160; &#160;&#160; &#160; &#160; 韩文的unicode范围<br />\u3040-\u31FF&#160; &#160;&#160; &#160; &#160; &#160; &#160; &#160; &#160;日文的unicode范围</p>]]></description>
			<author><![CDATA[dummy@example.com (xuyg)]]></author>
			<pubDate>Wed, 17 Jul 2019 02:07:27 +0000</pubDate>
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