问问题描述
upperlowercaseletters什么意思，拜谢！求解答这个难题！
答精选答案
upper lowercase letters
上小写字母
1
Your password must be at least six characters and may contain numbers, upper and lowercase letters, and standard symbols. Do not include spaces or extended ( international) characters.
2
A good passphrase is relatively long and contains a combination of upper and lowercase letters and numeric and punctuation characters.
好的口令短语一方面具有相应的长度，另一方面需要包含大写字母、小写字母、数字和标点符号。
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本文概览：upper lowercase letters上小写字母1Your password must be at least six characters and may contain numbers, upper and lowercase letters, and standard symbols. Do not include spaces or extended ( international) characters. 2A good passphrase is relatively long and