正则(待续)

     String regex = "^[0-9a-zA-Z\u4E00-\u9FA5]{1,12}";
boolean b = businessUserAo.getNick().matches(regex);
if(!b) {
return ResultObject.error("昵称只能输入12个中文、数字或英文");
}

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转载自blog.csdn.net/qq_31024823/article/details/80843281