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用正则表达式判断输入的数字是否合法的例子_PHP
- WBOYOriginal
- 2016-06-01 12:32:571284browse
正则表达式
$in="2344";
if(ereg("^(-{0,1}|\+{0,1})[0-9]+(\.{0,1}[0-9]+)$",$in))
echo "Ok!";
else
echo "Sorry,Please input again!";
?>
很简单的嘛！
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