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php 正则解决思路
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- 2016-06-13 12:08:32847browse
php 正则
把所有非 .(点) -(负) 数字的都替换成空
如：-234.fgfg23 替换成-234.23
234.中3/3 替换成234.33
------解决思路----------------------
echo preg_replace('/[^.-\d]+/', '', '-234.fgfg23');
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