跪正则表达式！
跪求一个正则表达式！～～～
正则表达式西药匹配的内容如下：
需要的字段为：行号1 行号2 ……
以及相对应每行中drs里面的数据且不能混乱。
------解决方案--------------------
你并没有说清楚你需要的结果啊
------解决方案--------------------
先用preg_replace
然后就好做很多了吧。。
最简单的办法。。先用
正则虽好。。。。有时候也不用非得一条正则解决问题
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