case-insensitive-decorator.js

(function () {
    'use strict';

    angular
        .module('app', [])
        .config(config);

    config.$inject = ['$provide'];

    function config($provide) {
        $provide.decorator("$route", extendRouteProvider);
        extendRouteProvider.$inject = ['$delegate'];

        function extendRouteProvider($delegate) {
            Object.keys($delegate.routes)
                .forEach(function (route) {
                if ( !! $delegate.routes[route].regexp) {
                    var routeRegex = $delegate.routes[route].regexp.source;
                    // Make regex case insensitive
                    $delegate.routes[route].regexp = new RegExp(routeRegex, 'i');
                    // Add caseInsensitiveMatch property in route as true
                    $delegate.routes[route]['caseInsensitiveMatch'] = true;
                }
            });
            return $delegate;
        }
    }

})();