diff --git a/src/Views/Clone.xaml.cs b/src/Views/Clone.xaml.cs
index ec4df8dc..03146169 100644
--- a/src/Views/Clone.xaml.cs
+++ b/src/Views/Clone.xaml.cs
@@ -2,6 +2,7 @@
 using SourceGit.Views.Validations;
 using System;
 using System.IO;
+using System.Text.RegularExpressions;
 using System.Threading.Tasks;
 using System.Windows;
 using System.Windows.Controls;
@@ -12,6 +13,10 @@ namespace SourceGit.Views {
     ///     克隆
     /// </summary>
     public partial class Clone : Controls.Window {
+        private static readonly Regex[] SSH_PROTOCOAL = new Regex[] {
+            new Regex(@"[\w\-]+@[\w\.\-]+(\:[0-9]+)?/[\w\-]+/[\w\-]+\.git$"),
+            new Regex(@"^ssh://([\w\-]+@)?[\w\.\-]+(\:[0-9]+)?/[\w\-]+/[\w\-]+\.git$"),
+        };
 
         public string Uri { get; set; }
         public string Folder { get; set; }
@@ -112,11 +117,14 @@ namespace SourceGit.Views {
         }
 
         private void OnUrlChanged(object sender, TextChangedEventArgs e) {
-            if (!string.IsNullOrEmpty(txtUrl.Text)) {
-                rowSSHKey.Height = new GridLength(txtUrl.Text.StartsWith("git@") ? 32 : 0, GridUnitType.Pixel);
-            } else {
-                rowSSHKey.Height = new GridLength(0, GridUnitType.Pixel);
+            foreach (var check in SSH_PROTOCOAL) {
+                if (check.IsMatch(txtUrl.Text)) {
+                    rowSSHKey.Height = new GridLength(32, GridUnitType.Pixel);
+                    return;
+                }
             }
+
+            rowSSHKey.Height = new GridLength(0, GridUnitType.Pixel);
         }
 
         private void OnCloseException(object s, RoutedEventArgs e) {
diff --git a/src/Views/Validations/GitURL.cs b/src/Views/Validations/GitURL.cs
index cf502007..ea13e198 100644
--- a/src/Views/Validations/GitURL.cs
+++ b/src/Views/Validations/GitURL.cs
@@ -1,19 +1,25 @@
-using System;
 using System.Globalization;
+using System.Text.RegularExpressions;
 using System.Windows.Controls;
 
 namespace SourceGit.Views.Validations {
 
     public class GitURL : ValidationRule {
+        private static readonly Regex[] VALID_FORMATS = new Regex[] {
+            new Regex(@"^http[s]?://[\w\.\-]+(\:[0-9]+)?/[\w\-]+/[\w\-]+\.git$"),
+            new Regex(@"[\w\-]+@[\w\.\-]+(\:[0-9]+)?/[\w\-]+/[\w\-]+\.git$"),
+            new Regex(@"^ssh://([\w\-]+@)?[\w\.\-]+(\:[0-9]+)?/[\w\-]+/[\w\-]+\.git$"),
+        };
+
         public override ValidationResult Validate(object value, CultureInfo cultureInfo) {
             string url = value as string;
-            bool valid = !string.IsNullOrEmpty(url)
-                && (url.StartsWith("http://", StringComparison.Ordinal)
-                || url.StartsWith("https://", StringComparison.Ordinal)
-                || url.StartsWith("git@", StringComparison.Ordinal)
-                || url.StartsWith("file://", StringComparison.Ordinal)
-                || url.StartsWith("ssh://", StringComparison.Ordinal));
-            return valid ? ValidationResult.ValidResult : new ValidationResult(false, App.Text("BadRemoteUri"));
+            if (!string.IsNullOrEmpty(url)) {
+                foreach (var format in VALID_FORMATS) {
+                    if (format.IsMatch(url)) return ValidationResult.ValidResult;
+                }
+            }            
+
+            return new ValidationResult(false, App.Text("BadRemoteUri")); ;
         }
     }
 }