Question

am wondering … how to only accept alphabetical pressed keys from the keyboard .. i am using the jQuery .keypress method … now i wanna know how to filter the passed key …

i am trying to build a simple autocomplete plugin for jQuery …i know a about jQuery UI, but i want to do it myself …

thanks in advance 🙂

Answer 1

You can bind a function to the field that replaces anything that’s not in the a-z range.

<input name="lorem" class="alphaonly" />

<script type="text/javascript">
$('.alphaonly').bind('keyup blur',function(){ 
    $(this).val( $(this).val().replace(/[^a-z]/g,'') );
});
</script>

Source: Allow text box only for letters using jQuery?