White Space Replace Angular Filter

filter-whitespace.js

/*
 * Angular Filter to Remove White Spaces in Expression
 *
 * usage: {{ text | whitespace:'str' }}
 * the argument is optional, the default value is null.
 * white spaces will be replaced by 'str'.
 *
 */

app.filter('whitespace', function () {
    return function (val, rep){
        rep = rep || '';
        return (!val ? '' : val.replace(/ /g, rep);
    };
});