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正则轮换掉最右边的一个点

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Release： 2016-06-13 12:43:54
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正则替换掉最右边的一个点
$str = "abc/test.test.jpg";
echo preg_replace('/(\.)/', '#', $str);
我只是想把最右边的.找成#

正则
Related labels：
echo nbsp replace str
source：php.cn
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