first commit

utils/utils.go

@@ -0,0 +1,27 @@
+package utils
+
+import (
+	"net/mail"
+	"time"
+)
+
+func IsValidEmail(email string) bool {
+	_, err := mail.ParseAddress(email)
+	return err == nil
+}
+
+// Try multiple accepted date formats
+var birthdayFormats = []string{
+	"2006-01-02", // ISO: 1999-12-12
+	"02.01.2006", // D.M.Y: 12.12.1999
+	"2.1.2006",   // D.M.Y without leading zeros: 1.2.1999
+}
+
+func IsValidBirthday(birthday string) bool {
+	for _, layout := range birthdayFormats {
+		if _, err := time.Parse(layout, birthday); err == nil {
+			return true
+		}
+	}
+	return false
+}