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+$)(?![!@#$%^&*]+$)[a-zA-Z\\d!@#$%^&*]+$"