Improved US Phone Number formats

package.json

@@ -1,6 +1,6 @@
 {
   "name": "ng2-validation",
-  "version": "3.6.0",
+  "version": "3.6.1",
   "description": "angular2 validation",
   "main": "dist/index.js",
   "typings": "dist/index.d.ts",

src/custom-validators.ts

@@ -262,7 +262,7 @@ export class CustomValidators {
       'pt-PT': /^(\+351)?9[1236]\d{7}$/,
       'el-GR': /^(\+?30)?(69\d{8})$/,
       'en-GB': /^(\+?44|0)7\d{9}$/,
-      'en-US': /^(\+?1)?[2-9]\d{2}[2-9](?!11)\d{6}$/,
+      'en-US': /^(\(?[0-9]{3}\)?)((\s|\-){1})?[0-9]{3}((\s|\-){1})?[0-9]{4}$/,
       'en-ZM': /^(\+26)?09[567]\d{7}$/,
       'ru-RU': /^(\+?7|8)?9\d{9}$/,
       'nb-NO': /^(\+?47)?[49]\d{7}$/,

src/specs/custom-validators.spec.ts

@@ -613,4 +613,37 @@ describe('Custom Validators phone,', () => {
     });
 
   });
+
+  describe('locale: en-US,', () => {
+
+    beforeEach(() => {
+      validator = CustomValidators.phone("en-US");
+    });
+
+    function phoneDataProvider() {
+      return [
+        {phone: '888 555 2112', valid: true},
+        {phone: '888 555 2112', valid: true},
+        {phone: '(888) 555-2112', valid: true},
+        {phone: '(888) 555 2112', valid: true},
+        {phone: '888-555-2112', valid: true},
+        {phone: '888-555 2112', valid: true},
+        {phone: '8885552112', valid: true}
+      ]
+    }
+
+    using(phoneDataProvider, (data) => {
+      let testCase = data.phone + ' should be ' + (data.valid ? 'valid' : 'invalid');
+
+      it(testCase, () => {
+        control = new FormControl(data.phone);
+
+        if (data.valid)
+          return expect(validator(control)).toBeNull();
+
+        expect(validator(control)).toEqual(error);
+      })
+    });
+
+  });
 });