import re import os def find_date_lines(file_path): with open(file_path, 'r', encoding='utf-8') as file: lines = file.readlines() pies_lines = [] pattern = re.compile(r'19[0-9][0-9] r\.') for _, line in enumerate(lines, start=1): if re.search(pattern, line): pies_lines.append(line) return pies_lines path = os.path.join(os.path.dirname(__file__), 'simple.in') lines = find_date_lines(path) print(lines)