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求秒个简单正则，
- WBOYOriginal
- 2016-06-23 14:03:08850browse
$a='aa,aa,';
$b=preg_replace('#[.*]+(,)#','',$a);
echo $b;
求结果aa,aa
不要trim()函数要正则。
回复讨论(解决方案)
$a='aa,aa,';
$b=preg_replace('#,$#','',$a);
echo $b;
是这意思？
$a='aa,aa,';
$b=preg_replace('#,$#','',$a);
echo $b;
是这意思？
哎 退步了就这么个意思！
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