Grok regular matching problem

excuse me, when using grok to extract nginx logs, how to extract information with multiple identical tags?

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:
[tag "application-multi"] [tag "language-multi"] [tag "platform-multi"] [tag "attack-protocol"]


grok : https://grokdebug.herokuapp.com/

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Apr.07,2021

let reg=/w+-w+/g;

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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-64f5-1b330b7-40ea4.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1b330b7-40ea4.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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