求php大神帮帮忙 这段字符串怎么处理·
$str = http://www.test.com/imges/1.jpg--1,http://www.test.com/imges/3.jpg--2,http://www.test.com/imges/3.jpg--3;
我想要的结果 不知道怎么写正则
$str1 = http://www.test.com/imges/1.jpg,http://www.test.com/imges/3.jpg,http://www.test.com/imges/3.jpg;
$str2 = 1,2,3;
求高手帮帮忙
------解决方案--------------------
php code$str = http://www.test.com/imges/1.jpg--1,http://www.test.com/imges/3.jpg--2,http://www.test.com/imges/3.jpg--3;$str1= preg_replace('/--(\d+)/','',$str);preg_match_all('/--(\d+)/',$str,$m);$str2=join(',',$m[1]);