php
$text1 =
'
123345
$pattern = '/@@##@@ </p> <p class="sougouAnswer"> <pre class="sycode" name="code">$pattern = '#@@##@@ </p> <p class="sougouAnswer"> <div class="code" style="position:relative; padding:0px; margin:0px;"><pre class="sycode" name="code">str_replace('src="/','src="http://www.qq.com/',$text1);
str_replace('src="/','src="http://www.qq.com/',$text1); 字符串替换要比正则至少快10倍
str_replace('src="/','src="http://www.qq.com/',$text1);
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