Regular verification cannot contain Chinese implementation methods [jQuery and java implementation]

The example in this article describes the implementation method of regular verification that cannot contain Chinese. Share it with everyone for your reference, the details are as follows:

jQuery uses regular verification to not contain Chinese

var myReg = /^[a-zA-Z0-9_]{0,}$/;
if (!myReg.test(input.val())) {
  $.validation.tip(false, input, "用户名不能含有中文或特殊字符");
  return;
}

Java verification string does not contain Chinese

if (nickname.getBytes().length != nickname.length()) {
  errors.add("用户名不能含有中文");
}

I hope this article will be helpful for everyone to learn regular expressions.

For more implementation methods that cannot contain Chinese for regular verification [jQuery and java implementation], please pay attention to the PHP Chinese website for related articles!