$subject='0300020F005176C5A11A730004F955A2A20CD8-367C-EC5B-9D8C-2CAA0B8FE45D';echopreg_replace('/^(\w{8})\w{2}/i','$1'.'08',$subject);//輸出結(jié)果：85176C5A11A730004F955A2A20CD8-367C-EC5B-9D8C-2CAA0B8FE45D//期望結(jié)果：0300020F085176C5A11A730004F955A2A20CD8-367C-EC5B-9D8C-2CAA0B8FE45D//但是：preg_replace('regex','$1'.'__',$subject);這樣是沒(méi)有問(wèn)題的
PHP正則替換第一位為0。被忽略
拉風(fēng)的咖菲貓
2019-04-06 16:57:45
