jQuery-如何检查输入是否仅包含西里尔字母

Question

I don't know how i can check if input with specific id contains only cyrillic letters in it.

I want simple jQuery function to check the input for cyrillic letters and when there are only cyrillic letters to give alert Everything is COOL :D and when there are not only cyrillic letters to give alert We've got a problem Houston! .

This is a simple example of what i want to do this function.

Can you please help me out ?

Thanks in advance!

Answer 1

You can use regexp like:

/[а-яА-Я]/

Here is an example:

var str1 = "Привет";
var str2 = "Hello";

var patt = /[а-яА-Я]/g;

console.log( patt.test(str1) );
// will log true

console.log( patt.test(str2) );
// will log false

Read about regular expressions