Dev branch beginning with a bunch of shit added. All I know is that it builds.

pkg/wordlepattern/pattern.go

@@ -4,10 +4,14 @@ import (
 	"regexp"
 	"strconv"
 	"strings"
+	"time"
 )
 
-// Pattern matches "Wordle XXXX Y/6" format
-var pattern = regexp.MustCompile(`(?i)Wordle\s+(\d+)\s+([X1-6])/6`)
+// Pattern matches "Wordle XXXX Y/6" format (with optional comma in number)
+var pattern = regexp.MustCompile(`(?i)Wordle\s+([\d,]+)\s+([X1-6])/6`)
+
+// Wordle #1 was June 19, 2021
+var wordleStartDate = time.Date(2021, 6, 19, 0, 0, 0, 0, time.UTC)
 
 // Match represents a matched Wordle score
 type Match struct {
@@ -15,6 +19,20 @@ type Match struct {
 	Score        string
 }
 
+// GetExpectedPuzzleNumber returns the expected Wordle puzzle number for a given date
+func GetExpectedPuzzleNumber(date time.Time) int {
+	daysSinceStart := int(date.Sub(wordleStartDate).Hours() / 24)
+	return daysSinceStart + 1
+}
+
+// IsValidPuzzleNumber checks if a puzzle number is valid for the given date
+// Allows for timezone differences (±1 day)
+func IsValidPuzzleNumber(puzzleNumber int, date time.Time) bool {
+	expected := GetExpectedPuzzleNumber(date)
+	// Allow ±1 day for timezone differences
+	return puzzleNumber >= expected-1 && puzzleNumber <= expected+1
+}
+
 // Find searches for a Wordle pattern in the given text
 // Returns the match and a boolean indicating if a match was found
 func Find(text string) (*Match, bool) {
@@ -23,7 +41,9 @@ func Find(text string) (*Match, bool) {
 		return nil, false
 	}
 
-	puzzleNumber, _ := strconv.Atoi(matches[1])
+	// Remove commas from puzzle number before parsing
+	puzzleNumberStr := strings.ReplaceAll(matches[1], ",", "")
+	puzzleNumber, _ := strconv.Atoi(puzzleNumberStr)
 	score := strings.ToUpper(matches[2])
 
 	return &Match{