作者zi (Play, Now)
看板PHP
标题Re: [问题] 不包含连续字串XXX
时间Mon Jun 30 16:34:22 2008
原po的意思应该是
$s1 = "this is not ok";
$s2 = "this is ok";
$r1 = preg_match($pat, $s1, $m);
$r2 = preg_match($pat, $s2, $m);
求 $pat 使得 $r1 = 0 且 $r2 = 1
话说这个问题也是困扰我很久..:Q
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1F：→ ihs :yes..解释得好..thx! 06/30 17:19
2F：推 alpe :$pat = '/this is ([^not])?\ ?ok/'; 06/30 18:07
3F：→ alpe :是要这样吗??? 飘走 06/30 18:08