diff --git a/javascript/i18n/phonenumbers/asyoutypeformatter_test.html b/javascript/i18n/phonenumbers/asyoutypeformatter_test.html
index 750d20391..a237c9f1a 100644
--- a/javascript/i18n/phonenumbers/asyoutypeformatter_test.html
+++ b/javascript/i18n/phonenumbers/asyoutypeformatter_test.html
@@ -20,6 +20,7 @@ limitations under the License.
   Author: Nikolaos Trogkanis
 -->
 <head>
+<meta charset="utf-8">
 <title>libphonenumber Unit Tests - i18n.phonenumbers - asyoutypeformatter.js</title>
 <script src="../../../../closure-library/closure/goog/base.js"></script>
 <script>
diff --git a/javascript/i18n/phonenumbers/demo-compiled.html b/javascript/i18n/phonenumbers/demo-compiled.html
index 74b45306d..e3d7a1ae7 100644
--- a/javascript/i18n/phonenumbers/demo-compiled.html
+++ b/javascript/i18n/phonenumbers/demo-compiled.html
@@ -20,6 +20,7 @@ limitations under the License.
   Author: Nikolaos Trogkanis
 -->
 <head>
+<meta charset="utf-8">
 <title>Phone Number Parser Demo</title>
 <script src="demo-compiled.js"></script>
 </head>
diff --git a/javascript/i18n/phonenumbers/demo.html b/javascript/i18n/phonenumbers/demo.html
index a6d65161f..bdde7cca5 100644
--- a/javascript/i18n/phonenumbers/demo.html
+++ b/javascript/i18n/phonenumbers/demo.html
@@ -20,6 +20,7 @@ limitations under the License.
   Author: Nikolaos Trogkanis
 -->
 <head>
+<meta charset="utf-8">
 <title>Phone Number Parser Demo</title>
 <script src="../../../../closure-library/closure/goog/base.js"></script>
 <script>
diff --git a/javascript/i18n/phonenumbers/phonenumberutil.js b/javascript/i18n/phonenumbers/phonenumberutil.js
index 75a74cbf2..a31f8865d 100644
--- a/javascript/i18n/phonenumbers/phonenumberutil.js
+++ b/javascript/i18n/phonenumbers/phonenumberutil.js
@@ -778,11 +778,11 @@ i18n.phonenumbers.PhoneNumberUtil.CAPTURING_EXTN_DIGITS_ =
 i18n.phonenumbers.PhoneNumberUtil.EXTN_PATTERNS_FOR_PARSING_ =
     i18n.phonenumbers.PhoneNumberUtil.RFC3966_EXTN_PREFIX_ +
     i18n.phonenumbers.PhoneNumberUtil.CAPTURING_EXTN_DIGITS_ + '|' +
-    '[ \u00A0\\t,]*' +
+    '[ \xA0\\t,]*' +
     '(?:e?xt(?:ensi(?:o\u0301?|\u00F3))?n?|\uFF45?\uFF58\uFF54\uFF4E?|' +
-    'доб|\u0434\u043E\u0431|ДОБ|' +
+    '\u0434\u043E\u0431|\u0414\u041E\u0411|' +
     '[;,x\uFF58#\uFF03~\uFF5E]|int|anexo|\uFF49\uFF4E\uFF54)' +
-    '[:\\.\uFF0E]?[ \u00A0\\t,-]*' +
+    '[:\\.\uFF0E]?[ \xA0\\t,-]*' +
     i18n.phonenumbers.PhoneNumberUtil.CAPTURING_EXTN_DIGITS_ + '#?|' +
     '[- ]+([' + i18n.phonenumbers.PhoneNumberUtil.VALID_DIGITS_ + ']{1,5})#';
 
diff --git a/javascript/i18n/phonenumbers/phonenumberutil_test.html b/javascript/i18n/phonenumbers/phonenumberutil_test.html
index b3d578f27..b04b9d2e7 100644
--- a/javascript/i18n/phonenumbers/phonenumberutil_test.html
+++ b/javascript/i18n/phonenumbers/phonenumberutil_test.html
@@ -20,6 +20,7 @@ limitations under the License.
   Author: Nikolaos Trogkanis
 -->
 <head>
+<meta charset="utf-8">
 <title>libphonenumber Unit Tests - i18n.phonenumbers - phonenumberutil.js</title>
 <script src="../../../../closure-library/closure/goog/base.js"></script>
 <script>
diff --git a/javascript/i18n/phonenumbers/shortnumberinfo_test.html b/javascript/i18n/phonenumbers/shortnumberinfo_test.html
index eb0d3c8c0..1cc6f405d 100644
--- a/javascript/i18n/phonenumbers/shortnumberinfo_test.html
+++ b/javascript/i18n/phonenumbers/shortnumberinfo_test.html
@@ -20,6 +20,7 @@ limitations under the License.
   Author: Nikolaos Trogkanis
 -->
 <head>
+<meta charset="utf-8">
 <title>libphonenumber Unit Tests - i18n.phonenumbers - shortnumberinfo.js</title>
 <script src="../../../../closure-library/closure/goog/base.js"></script>
 <script>
