Question

我试图允许输入中文或字母字符。

 var name="TEXT" //here input either alphabetic or Chinese Characters 请输入
 let reqChinesePos=/^[\u3000\u3400-\u4DBF\u4E00-\u9FFF]\d{8}$/;
 let reqEnglish=/^[A-Za-z]\d{40}$/

 console.log(reqEnglish.test(name)); //Here true but here also Chinese characters also match.
 console.log(reqChinesePos.test(name)); //Here true but here also alphabetic characters also match.

预期结果：

console.log(reqEnglish.test(name));//here only allow alphabetic characters not allow chinese.
console.log(reqChinesePos.test(name));//here only allow Chinese characters not allow English.

Answer 1

您的汉字字符类范围似乎是正确的，至少从这里的简单本地测试来看。但是，我发现这两种模式都存在另一个问题，如果您想同时在两种情况下都允许使用罗马数字，则\d可能应该是字符类的一部分。进行此更改后，然后为输入指定宽度或宽度范围。假设您希望两者的宽度都为8，则可以尝试：

var reqChinesePos = /^[\u3000\u3400-\u4DBF\u4E00-\u9FFF\d]{8}$/;
var reqEnglish = /^[A-Za-z\d]{8}$/

var name1 = "大猫大猫大猫大猫";
var name2 = "JONATHAN";
var name3 = "BIGCAT大猫";

console.log(name1);
console.log(reqEnglish.test(name1));
console.log(reqChinesePos.test(name1));

console.log(name2);
console.log(reqEnglish.test(name2));
console.log(reqChinesePos.test(name2));

console.log(name3);
console.log(reqEnglish.test(name3));
console.log(reqChinesePos.test(name3));

正则表达式允许中文或字母字符

1 个答案: