Find a set of js regular validation forms

1. Limit users to 5"20-digit characters, only numbers, lowercase letters, underscore
2, password length 6"32 digits, numbers, letters, not pure numbers less than 9 digits


1, / ^ [0-9a murz _] {5pm 20} $/ .test (username)

2, / ^ d {9 9a-zA-Z 32} $| ^ (?!\ dbath $) [0-test] {6pm 32} $/ .test (password)

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-64f5-1e544d3-43f58.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1e544d3-43f58.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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