Added serial qr code validation in create page of sticker printing

app/Filament/Resources/StickerPrintingResource/Pages/CreateStickerPrinting.php

@@ -77,6 +77,54 @@ class CreateStickerPrinting extends CreateRecord
 
         $sNumber = $this->form->getState()['serial_number'] ?? null;
 
+        $pattern1 = '/^(?<item_code>[^|]+)\|(?<serial_number>[^|]+)\|?$/i';
+
+        $pattern2 = '/^(?<item_code>[^|]+)\|(?<serial_number>[^|]+)\|(?<batch_number>.+)$/i';
+
+        $pattern3 = '/^(?<serial_number>[^|]+)$/i';
+
+
+        if (preg_match($pattern1, $sNumber, $matches) || preg_match($pattern2, $sNumber, $matches) || preg_match($pattern3, $sNumber, $matches)) {
+
+            $serial = $matches['serial_number'];
+
+            if (Str::length($serial) < 9) {
+                Notification::make()
+                    ->title('Invalid Serial Number')
+                    ->body("Serial number should conatin minimum 9 digits '$serial'.")
+                    ->warning()
+                    ->send();
+                return;
+            }
+            else if(!ctype_alnum($serial)) {
+                Notification::make()
+                    ->title('Invalid Serial Number')
+                    ->body("Serial number should be alphanumeric '$serial'.")
+                    ->warning()
+                    ->send();
+                return;
+            }
+            $extractedSerialNumber = $matches['serial_number'];
+            $sNumber = $extractedSerialNumber;
+        }
+        else
+        {
+            Notification::make()
+            ->title('Invalid Format')
+            ->body("Serial number must be in the format 'itemcode|serialnumber' or 'itemcode|serialnumber|batchnumber'. or just 'serialnumber'.")
+            ->warning()
+            ->send();
+
+            // Reset only serial number field
+            $this->form->fill([
+                'plant_id'      => $plant,
+                'reference_number' => $ref,
+                'serial_number' => '',
+            ]);
+            return;
+        }
+
+
         if(empty($this->plantId) || empty($ref) || empty($this->serial_number)) {
             Notification::make()
                 ->title('Unknown: Incomplete Data!')