Merge branch 'dev' of https://github.com/lite3/Unity-BitmapFontImporter into dev

Author: litefeel

Assets/BitmapFontImporter/Editor/FntParse.cs

@@ -107,7 +107,12 @@ private static int ToInt(XmlNode node, string name)
         private Regex pattern;
         public void DoTextParse(ref string content)
         {
-            pattern = new Regex(@"\S+="".*?""|\S+");
+            // letter=" "       // \S+=".+?"
+            // letter="x"       // \S+=".+?"
+            // letter="""       // \S+=".+?"
+            // letter=""        // \S+
+            // char             // \S+
+            pattern = new Regex(@"\S+="".+?""|\S+");
             string[] lines = content.Split(new char[] { '\r', '\n' }, StringSplitOptions.RemoveEmptyEntries);
             ReadTextInfo(ref lines[0]);
             ReadTextCommon(ref lines[1]);