Idk, dev work goin on

WinWARP.Core/Helper/FlagEmojiParser.cs

@@ -0,0 +1,62 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace WinWARP.Core.Helper;
+
+public static class FlagEmojiParser
+{
+    private const int RegionalIndicatorStart = 0x1F1E6; // '🇦'
+    private const int RegionalIndicatorEnd = 0x1F1FF;   // '🇿'
+
+    /// <summary>
+    /// Parses a string and returns a list of ISO 3166-1 alpha-2 country codes found as emojis.
+    /// </summary>
+    public static List<string> ExtractCountryCodes(string text)
+    {
+        var countryCodes = new List<string>();
+        if (string.IsNullOrEmpty(text)) return countryCodes;
+
+        var i = 0;
+        int? firstLetterCode = null;
+
+        while (i < text.Length)
+        {
+            // Read the 32-bit Unicode code point (handles emoji surrogate pairs)
+            var codePoint = char.ConvertToUtf32(text, i);
+
+            // Advance the index (surrogate pairs take 2 char slots in .NET strings)
+            i += char.IsSurrogatePair(text, i) ? 2 : 1;
+
+            // Check if the character is a Regional Indicator Symbol (A-Z flag component)
+            if (codePoint >= RegionalIndicatorStart && codePoint <= RegionalIndicatorEnd)
+            {
+                var letterOffset = codePoint - RegionalIndicatorStart; // 0 for A, 1 for B...
+
+                if (firstLetterCode == null)
+                {
+                    // This is the first letter of a flag pair
+                    firstLetterCode = letterOffset;
+                }
+                else
+                {
+                    // This is the second letter of a flag pair. Construct the ISO string.
+                    var c1 = (char)('A' + firstLetterCode.Value);
+                    var c2 = (char)('A' + letterOffset);
+
+                    countryCodes.Add($"{c1}{c2}");
+
+                    // Reset to look for the next flag
+                    firstLetterCode = null;
+                }
+            }
+            else
+            {
+                // If we hit any other character, break any broken/incomplete flag sequences
+                firstLetterCode = null;
+            }
+        }
+
+        return countryCodes;
+    }
+}