angular-lowerize-filter/lowerize.js

AngularJS filter to convert strings to lower case replacing non-alphanumeric characters.

'use strict';

angular.module('puigcerber.lowerize', [])
  .filter('lowerize', function() {
    return function(input) {
      if (!input) {
        return input;
      }
      return input.replace(/[^A-Za-z0-9]/g, '').toLowerCase();
    };
});