chore(string): Implement find() and reverseFind() functions in UnicodeString (TheSuperHackers#2635)

Author: Mauller

Core/GameEngine/Include/Common/UnicodeString.h

@@ -306,6 +306,16 @@ class UnicodeString
 	*/
 	int compareNoCase(const WideChar* s) const;
 
+	/**
+		Conceptually identical to wcschr().
+	*/
+	const WideChar* find(WideChar c) const;
+
+	/**
+		Conceptually identical to wcsrchr().
+	*/
+	const WideChar* reverseFind(WideChar c) const;
+
 	/**
 		return true iff self starts with the given string.
 	*/
@@ -485,6 +495,18 @@ inline int UnicodeString::compareNoCase(const WideChar* s) const
 	return _wcsicmp(this->str(), s);
 }
 
+// -----------------------------------------------------
+inline const WideChar* UnicodeString::find(WideChar c) const
+{
+	return wcschr(this->str(), c);
+}
+
+// -----------------------------------------------------
+inline const WideChar* UnicodeString::reverseFind(WideChar c) const
+{
+	return wcsrchr(this->str(), c);
+}
+
 // -----------------------------------------------------
 inline Bool operator==(const UnicodeString& s1, const UnicodeString& s2)
 {