refine UserPAC setting

v2rayN/v2rayN/Forms/OptionSettingForm.cs

@@ -373,7 +373,7 @@ namespace v2rayN.Forms
         private int SaveUserPAC()
         {
             string userPacRule = txtuserPacRule.Text.TrimEx();
-            userPacRule = userPacRule.Replace("\"", "");
+            userPacRule = userPacRule.Replace("\"", "").Replace("'", "");
 
             config.userPacRule = Utils.String2List(userPacRule);
 

v2rayN/v2rayN/Forms/OptionSettingForm.zh-Hans.resx

@@ -282,7 +282,7 @@
     <value>协议</value>
   </data>
   <data name="label4.Text" xml:space="preserve">
-    <value>*设置用户PAC规则，用逗号(,)隔开</value>
+    <value>*用户PAC内的自定条目。用逗号(,)或换行隔开的匹配模式（pattern）。英文单引号、双引号将被忽略。</value>
   </data>
   <data name="label5.Size" type="System.Drawing.Size, System.Drawing">
     <value>53, 12</value>

v2rayN/v2rayN/Tool/Utils.cs

@@ -168,7 +168,7 @@ namespace v2rayN
             }
         }
         /// <summary>
-        /// 逗号分隔的字符串,转List<string>
+        /// 换行或逗号分隔的字符串,转List<string>
         /// </summary>
         /// <param name="str"></param>
         /// <returns></returns>
@@ -176,7 +176,7 @@ namespace v2rayN
         {
             try
             {
-                str = str.Replace(Environment.NewLine, "");
+                str = str.Replace("\r", ",").Replace("\n", ","); // 用户复制的可能是\r、\n或\r\n
                 return new List<string>(str.Split(new string[] { "," }, StringSplitOptions.RemoveEmptyEntries));
             }
             catch