Regular verification can be marked with a *.

RT:, please help.
now reg = / ^ [wd] {17} $/ I;

now if you need these 17 digits, you can take the * number at will

Mar.09,2021

/ ^ [\ w\ d\ *] {17} $/ I;


/ ^ [wd*] {17} $/ I
http://regex.zjmainstay.cn/r/.

MySQL Query : SELECT * FROM `codeshelper`.`v9_news` WHERE status=99 AND catid='6' ORDER BY rand() LIMIT 5
MySQL Error : Disk full (/tmp/#sql-temptable-64f5-1b40b30-2bd80.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1b40b30-2bd80.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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