关于正则的写法 preg_replace("|/*(.+?)/*$|", "\\1", $t)$t='/page/2'preg_match("|/*(.+?)/*$|",$t,$b);print_r ($b);返回 Array ( [0] => /page/2 [1] => page/2 ) 其中正则表达式中 竖线表示什么 /* 斜
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关于正则的写法 preg_replace("|/*(.+?)/*$|", "\\1", $t)$t='/page/2'preg_match("|/*(.+?)/*$|",$t,$b);print_r ($b);返回 Array ( [0] => /page/2 [1] => page/2 ) 其中正则表达式中 竖线表示什么 /* 斜
关于正则的写法 preg_replace("|/*(.+?)/*$|", "\\1", $t)
$t='/page/2'
preg_match("|/*(.+?)/*$|",$t,$b);
print_r ($b);
返回
Array
(
[0] => /page/2
[1] => page/2
)
其中正则表达式中 竖线表示什么 /* 斜线和*是作用是什么
关于正则的写法 preg_replace("|/*(.+?)/*$|", "\\1", $t)$t='/page/2'preg_match("|/*(.+?)/*$|",$t,$b);print_r ($b);返回 Array ( [0] => /page/2 [1] => page/2 ) 其中正则表达式中 竖线表示什么 /* 斜
竖线其实是pattern的分界符,在php中有/(斜线),|(竖线),#(#号)3种,也就是下面3个是等价的.