目标文本是:
123456
{loop name="loop1" data=$arcrs}
{loop:arclist name="loop3" param1= param2=}
{loop name="loop3" data=$arc}
{/loop}
123456
{/loop:arclist}
{/loop}123456789{loop name="loop1" data=$arcrs}
{loop:arclist name="loop3" param1= param2=}
{loop name="loop3" data=$arc}
{/loop}
{/loop:arclist}
{/loop}需要匹配出成里面的{loop}标签匹配出来应该是2个记录:记录1:{loop name="loop1" data=$arcrs}
{loop:arclist name="loop3" param1= param2=}
{loop name="loop3" data=$arc}
{/loop}
123456
{/loop:arclist}
{/loop}记录2:{loop name="loop1" data=$arcrs}
{loop:arclist name="loop3" param1= param2=}
{loop name="loop3" data=$arc}
{/loop}
{/loop:arclist}
{/loop}正则表达式
123456
{loop name="loop1" data=$arcrs}
{loop:arclist name="loop3" param1= param2=}
{loop name="loop3" data=$arc}
{/loop}
123456
{/loop:arclist}
{/loop}123456789{loop name="loop1" data=$arcrs}
{loop:arclist name="loop3" param1= param2=}
{loop name="loop3" data=$arc}
{/loop}
{/loop:arclist}
{/loop}需要匹配出成里面的{loop}标签匹配出来应该是2个记录:记录1:{loop name="loop1" data=$arcrs}
{loop:arclist name="loop3" param1= param2=}
{loop name="loop3" data=$arc}
{/loop}
123456
{/loop:arclist}
{/loop}记录2:{loop name="loop1" data=$arcrs}
{loop:arclist name="loop3" param1= param2=}
{loop name="loop3" data=$arc}
{/loop}
{/loop:arclist}
{/loop}正则表达式
$str = '123456
{loop name="loop1" data=$arcrs}
{loop:arclist name="loop3" param1= param2=}
{loop name="loop3" data=$arc}
{/loop}
123456
{/loop:arclist}
{/loop}123456789{loop name="loop1" data=$arcrs}
{loop:arclist name="loop3" param1= param2=}
{loop name="loop3" data=$arc}
{/loop}
{/loop:arclist}
{/loop}
';
preg_match_all("#\{loop\s*name=\"loop1\"\s*data=[$]arcrs\}.*\{/loop\:arclist\}.*\{/loop\}#Uus",$str,$out);
var_dump($out[0][0]);
var_dump($out[0][1]);