Js regular matching numbers can only be 8 or 11 digits

ask that JS regular matching numbers can only be 8 digits or 11 digits, not 8 to 11 digits, either 8 digits or 11 digits. Nine or ten are not allowed.

Es6 regular-expression vue.js javascript
Feb.23,2022

^ (\ d {8} |\ d {11}) $

/ ^\ d {8} (\ d {3}) {0code 1} $/ 

/^\d{8}(\d{3})?$/g
^(?:\d{8}|\d{11})$

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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-64f5-1be7c94-39c62.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1be7c94-39c62.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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