...

common/adc_utils.h

@@ -626,6 +626,26 @@ static auto AdcSplitCharRange(R&& r, DR&& delim, size_t start = 0, size_t num =
 }
 
 
+static constexpr bool AdcCharRangeCompare(const traits::adc_char_view auto& what,
+                                          const traits::adc_char_view auto& where,
+                                          bool case_insensitive = false)
+{
+    if (std::ranges::size(what) == std::ranges::size(where)) {
+        if (case_insensitive) {
+            auto f = std::ranges::search(where,
+                                         std::views::transform(what, [](const char& ch) { return std::tolower(ch); }));
+            return !f.empty();
+        } else {
+            auto f = std::ranges::search(where, what);
+            return !f.empty();
+        }
+    }
+
+    return false;
+}
+
+
+
 // FVN-1a hash function
 template <traits::adc_input_char_range R>
 static constexpr size_t AdcFNV1aHash(const R& r)