add phone validation

index.html

@@ -1517,7 +1517,7 @@
                             <div class="col-7 mx-auto text-center">
                               <div class="form-check">
                                 <input type="checkbox" id="readPolicy" class="form-check-input" checked>
-                                <label for="readPolicy" class="custom-control-label">同意 
+                                <label for="readPolicy" class="custom-control-label mt-0">同意 
                                   <a href="https://hhh.com.tw/about/privacy_policy/" target="_blank" style="color: #EE7800;
                                   text-decoration: none;">免責聲明與隱私使用政策</a>
                                 </label>

js/index.js

@@ -622,7 +622,7 @@ $('.match__next2').click(function() {
         name = 0;
     }
 
-    if ($('#phone').val() == ''|| $('#phone').val() == null) {
+    if ($('#phone').val() == ''|| $('#phone').val() == null || !/^[09]{2}[0-9]{8}$/.test($('#phone').val())) {
         $('#phone-error').text('請以手機格式填寫(格式:0987654321)');
         phone = 1;
     } else {