javascript - jQuery - How to check if input contains only cyrillic letters -

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

i want simple jquery function check input cyrillic letters , when there cyrillic letters give alert everything cool :d , when there not cyrillic letters give alert we've got problem houston!.

this simple example of want function.

can please me out ?

thanks in advance!

you can use regexp like:

/[а-яА-Я]/

here example:

var str1 = "Привет"; var str2 = "hello";  var patt = /[а-яА-Я]/g;  console.log( patt.test(str1) ); // log true  console.log( patt.test(str2) ); // log false

read regular expressions


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