Handles empty pattern strings

Skips processing when encountering an empty string slice during pattern scanning.
This prevents unexpected behavior and potential errors when the pattern string contains sections that result in an empty byte string.

source/utility/pattern_scan.cpp

@@ -24,8 +24,10 @@ namespace omath
             const std::string_view byte_str = pattern_string.substr(sting_view_start, sting_view_end);
 
             if (byte_str.empty())
+            {
+                start = end != pattern_string.end() ? std::next(end) : end;
                 continue;
-
+            }
             if (byte_str == "?" || byte_str == "??")
             {
                 pattern.emplace_back(std::nullopt);