From fe124310def2121520c4cc4588a3a0ee2e563ba7 Mon Sep 17 00:00:00 2001
From: cxfksword <cxfksword@gmail.com>
Date: Wed, 19 Mar 2014 21:34:18 +0800
Subject: [PATCH] Limit Calculator trigger must has one number at least

make not affect some keyword like "pi"
---
 Wox.Plugin.System/Calculator.cs | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Wox.Plugin.System/Calculator.cs b/Wox.Plugin.System/Calculator.cs
index a1863507a..04ddf7f06 100644
--- a/Wox.Plugin.System/Calculator.cs
+++ b/Wox.Plugin.System/Calculator.cs
@@ -20,6 +20,7 @@ namespace Wox.Plugin.System
                         @"==|~=|&&|\|\||" +
                         @"[ei]|[0-9]|[\+\-\*\/\^\., ""]|[\(\)\|\!\[\]]" +
                         @")+$", RegexOptions.Compiled);
+        private static Regex regHasNumber = new Regex(@"[0-9]", RegexOptions.Compiled);
         private static Regex regBrackets = new Regex(@"[\(\)\[\]]", RegexOptions.Compiled);
         private static ParseContext yampContext = null;
         private PluginInitContext context { get; set; }
@@ -35,6 +36,7 @@ namespace Wox.Plugin.System
         {
             if (string.IsNullOrEmpty(query.RawQuery)
                 || query.RawQuery.Length < 2          // don't affect when user only input "e" or "i" keyword
+                || !regHasNumber.IsMatch(query.RawQuery)  // must has one number
                 || !regValidExpressChar.IsMatch(query.RawQuery) 
                 || !IsBracketComplete(query.RawQuery)) return new List<Result>();