形如：
$str='hhhhhhhhhhhhh
'$str='jjjjjjjjjjjjjjjj'
想要得到p或者h1之间的内容,怎么写？
回复内容： 形如：
$str='hhhhhhhhhhhhh
'$str='jjjjjjjjjjjjjjjj'
想要得到p或者h1之间的内容,怎么写？
string(20) hhhhhhhhhhhhh
[1]=> string(1) p [2]=> string(13) hhhhhhhhhhhhh}array(3) { [0]=> string(25) jjjjjjjjjjjjjjjj [1]=> string(2) h1 [2]=> string(16) jjjjjjjjjjjjjjjj}
$reg='#(.+?)#s'