Java 验证密码复杂度的正则表达式

复杂(同时包含数字,字母,特殊符号)
"^^(?![a-zA-z]+$)(?!\\d+$)(?![!@#$%^&*_-]+$)(?![a-zA-z\\d]+$)(?![a-zA-z!@#$%^&*_-]+$)(?![\\d!@#$%^&*_-]+$)[a-zA-Z\\d!@#$%^&*_-]+$"

简单(只包含数字或字母)
"^(?:\\d+|[a-zA-Z]+|[!@#$%^&*]+)$"

中级(包含字母和数字)
"^(?![a-zA-z]+$)(?!\\d+$)(?![!@#$%^&*]+$)[a-zA-Z\\d!@#$%^&*]+$"
 
文章来自:http://www.cnblogs.com/miscao/p/4767044.html
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