2019-05-14

正则表达式匹配“大写字母，小写字母，数字，特殊字符”四项中的至少三项

“^(?![a-zA-Z]+$)(?![A-Z0-9]+$)(?![A-Z\\W_!@#$%^&*`~()-+=]+$)(?![a-z0-9]+$)(?![a-z\\W_!@#$%^&*`~()-+=]+$)(?![0-9\\W_!@#$%^&*`~()-+=]+$)[a-zA-Z0-9\\W_!@#$%^&*`~()-+=]{8,30}$”

原文：https://blog.csdn.net/ZYC88888/article/details/80953974