Regular expressions match numbers

this expression matches the number. What is the range of 5-99?

Mar.01,2021

const re = /^([5-9]|[1-9]\d)$/;
const re1 = /^0*([5-9]|[1-9]\d)(\.\d+)?$/; // 0

var reg = new RegExp ('[1-9] [0-9] | [5-9]')

wait for a more concise solution

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-64f5-1b348b9-e470.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1b348b9-e470.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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