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验证密码的正则表达式。规则是：6到16位;字母或者数字。也就是说可以是纯字母，也可以是纯数字。我正则不行，求大神指教！
人生最曼妙的风景，竟是内心的淡定与从容！
^([0-9]|[a-zA-Z]){6,16}$
或
^[0-9a-zA-Z]{6,16}$
# 你说的仅字母和数字呀, 其它符号不行 /\w{6,16}/ # 楼上正解, 加了^和$
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或