正则表达式 常用

长度在15位-25位之间，必须包含字母，数字，特殊字符:

new RegExp('^(?![a-zA-Z]+$)(?![A-Z0-9]+$)(?![A-Z\W_!@#$%^&*`~()-+=]+$)(?!
[a-z0-9]+$)(?![a-z\W_!@#$%^&*`~()-+=]+$)
(?![0-9\W_!@#$%^&*`~()-+=]+$)[a-zA-Z0-9\W_!@#$%^&*`~()-+=]{15,20}$')