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preg_replace匹配的正则表达式

WBOY
Release： 2016-06-13 12:54:59
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求一个preg_replace匹配的正则表达式
用PHP ,preg_replace函数匹配一个正则 

字符串为"house and market and "
替换掉最后一个and,要输出结果为"house and market "

试了半天没写出来，谢谢各位大侠给个匹配的正则


------解决方案--------------------
$str = "house and market and ";
$str = preg_replace('/and(\s*)$/', '', $str);
var_dump($str);
?>
如何。
Related labels：
and nbsp replace
source：php.cn
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