Javascript examples for RegExp:RegExp test
Using RegExp to allow only one space in between words
<html> <head> <meta name="viewport" content="width=device-width, initial-scale=1"> <script type="text/javascript" src="https://code.jquery.com/jquery-1.10.1.js"></script> <script type="text/javascript"> $(window).load(function(){//from www . j a v a 2s .c o m $('.name').keyup(function() { var $th = $(this); $th.val($th.val().replace(/(\s{2,})|[^a-zA-Z']/g, ' ')); $th.val($th.val().replace(/^\s*/, '')); }); }); </script> </head> <body> <input type="test" class="name"> </body> </html>