Merge pull request #4 from seatcode/hotfix/0.4.1

Fix Apple's Foundation String formatSpecifier shouldn't support spaces

Sources/UnstringifyFramework/Foundation/String+formatSpecifiers.swift

@@ -15,7 +15,7 @@ extension String {
         //
         // See https://docs.microsoft.com/en-us/cpp/c-runtime-library/format-specification-syntax-printf-and-wprintf-functions?view=vs-2017#flags
         // See https://developer.apple.com/library/archive/documentation/Cocoa/Conceptual/Strings/Articles/formatSpecifiers.html
-        let pattern = "%(-|\\+|0| |#)*(\\*|[1-9]+){0,1}(\\.[0-9]+){0,1}(hh|h|l|L|ll|t|w|z|I|I32|I64){0,1}([0-9]\\$){0,1}(@|c|C|d|i|o|u|x|X|e|E|f|F|g|G|a|a|n|p|s|S|Z)"
+        let pattern = "%(-|\\+|0|#)*(\\*|[1-9]+){0,1}(\\.[0-9]+){0,1}(hh|h|l|L|ll|t|w|z|I|I32|I64){0,1}([0-9]\\$){0,1}(@|c|C|d|i|o|u|x|X|e|E|f|F|g|G|a|a|n|p|s|S|Z)"
 
         return try matches(regex: pattern)
     }