fix($urlMatcherFactory): regex params should respect case-sensitivity

Fixes #1671

Author: MohammadYounes

src/urlMatcherFactory.js

@@ -10,7 +10,7 @@ var $$UMFP; // reference to $UrlMatcherFactoryProvider
  * of search parameters. Multiple search parameter names are separated by '&'. Search parameters
  * do not influence whether or not a URL is matched, but their values are passed through into
  * the matched parameters returned by {@link ui.router.util.type:UrlMatcher#methods_exec exec}.
- * 
+ *
  * Path parameter placeholders can be specified using simple colon/catch-all syntax or curly brace
  * syntax, which optionally allows a regular expression for the parameter to be specified:
  *
@@ -21,13 +21,13 @@ var $$UMFP; // reference to $UrlMatcherFactoryProvider
  *   regexp itself contain curly braces, they must be in matched pairs or escaped with a backslash.
  *
  * Parameter names may contain only word characters (latin letters, digits, and underscore) and
- * must be unique within the pattern (across both path and search parameters). For colon 
+ * must be unique within the pattern (across both path and search parameters). For colon
  * placeholders or curly placeholders without an explicit regexp, a path parameter matches any
  * number of characters other than '/'. For catch-all placeholders the path parameter matches
  * any number of characters.
- * 
+ *
  * Examples:
- * 
+ *
  * * `'/hello/'` - Matches only if the path is exactly '/hello/'. There is no special treatment for
  *   trailing slashes, and patterns have to match the entire path, not just a prefix.
  * * `'/user/:id'` - Matches '/user/bob' or '/user/1234!!!' or even '/user/' but not '/user' or
@@ -60,7 +60,7 @@ var $$UMFP; // reference to $UrlMatcherFactoryProvider
  *
  * @property {string} sourceSearch  The search portion of the source property
  *
- * @property {string} regex  The constructed regex that will be used to match against the url when 
+ * @property {string} regex  The constructed regex that will be used to match against the url when
  *   it is time to determine which url will match.
  *
  * @returns {Object}  New `UrlMatcher` object
@@ -119,7 +119,7 @@ function UrlMatcher(pattern, config, parentMatcher) {
     cfg         = config.params[id];
     segment     = pattern.substring(last, m.index);
     regexp      = isSearch ? m[4] : m[4] || (m[1] == '*' ? '.*' : null);
-    type        = $$UMFP.type(regexp || "string") || inherit($$UMFP.type("string"), { pattern: new RegExp(regexp) });
+    type        = $$UMFP.type(regexp || "string") || inherit($$UMFP.type("string"), { pattern: new RegExp(regexp, config.caseInsensitive ? 'i' : undefined) });
     return {
       id: id, regexp: regexp, segment: segment, type: type, cfg: cfg
     };
@@ -275,7 +275,7 @@ UrlMatcher.prototype.exec = function (path, searchParams) {
  *
  * @description
  * Returns the names of all path and search parameters of this pattern in an unspecified order.
- * 
+ *
  * @returns {Array.<string>}  An array of parameter names. Must be treated as read-only. If the
  *    pattern has no parameters, an empty array is returned.
  */

test/urlMatcherFactorySpec.js

@@ -185,6 +185,13 @@ describe("UrlMatcher", function () {
       expect(m.exec("/FOO")).toEqual({});
     });
 
+    it("should respect $urlMatcherFactoryProvider.caseInsensitive when validating regex params", function() {
+      var m = new UrlMatcher('/');
+      provider.caseInsensitive(true);
+      m = m.concat("foo/{param:bar}");
+      expect(m.validates({param:'BAR'})).toEqual(true);
+    });
+
     it("should generate/match params in the proper order", function() {
       var m = new UrlMatcher('/foo?queryparam');
       m = m.concat("/bar/:pathparam");
@@ -423,7 +430,7 @@ describe("urlMatcherFactoryProvider", function () {
 });
 
 describe("urlMatcherFactory", function () {
-  
+
   var $umf;
 
   beforeEach(module('ui.router.util'));
@@ -626,7 +633,7 @@ describe("urlMatcherFactory", function () {
 
     it("should correctly format with an optional followed by a required parameter", function() {
       var m = new UrlMatcher('/home/:user/gallery/photos/:photo', {
-        params: { 
+        params: {
           user: {value: null, squash: true},
           photo: undefined
         }