Question

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How do I validate that a text input contains only latin letters?

How can make a validate in keyup with jQuery that allow to input that get only latin letters and spaces, Like this that get just number in input: http://jsfiddle.net/Q9zrw/2/

How is it with jQuery?

<input type="text" name="type_ex" class="latin_letters">

Answer 1

on the key up event you can reg exp your value: http://jsfiddle.net/Q9zrw/6/

$(this).val().replace(/[^a-z ]/i, "");

Replaces all that not match a-z and [ space ] – case-insensitive. Means its match both lower and upper case letters.