file = r'app\Exports\PanelTestExport.php'
with open(file, 'r', encoding='utf-8', errors='replace') as f:
    lines = f.readlines()

for i, line in enumerate(lines):
    if 'pageHeader' in line or 'mergeCells.*A1\|A2\|A3\|DATA LENGKAP' in line:
        print(f"{i+1}: {line.rstrip()}")