import re
regex = re.compile(r"(?:A1/EXT \"\w*\" \d+ (\d+)\s+(\d+)(?:[\w\s\-]+)CLASS(?:\s+[\w-]+)\s+(\w+)(?:[\w\s\-]+)EXTERNAL ALARM)|([\w]+$|[\w]+\s[\w]+$|[\w]+\s[\w]+\s[\w]+$|[\w]+\s[\w]+\s[\w]+\s[\w]+$)", flags=re.MULTILINE)
test_str = ("A1/EXT \"BSCMAT2_G12BIPA\" 392 190602 1837\n"
"RADIO X-CEIVER ADMINISTRATION\n"
"BTS EXTERNAL FAULT\n\n"
"MO RSITE CLASS\n"
"RXOCF-181 SNMAIPIRE 1\n\n"
"EXTERNAL ALARM\n"
"ALTA_TEMPERATURA_CF_GSM\n"
"MENOR CF_GSM\n"
"MAYOR CF_GSM\n"
"DESCARGA_DE_BATERIAS_CF_GSM\n"
"FALLA_DE_AC_EXTERNO\n\n\n\n"
"A1/EXT \"BSCMAT2_G12BIPA\" 580 190619 1320\n"
"RADIO X-CEIVER ADMINISTRATION\n"
"BTS EXTERNAL FAULT\n\n"
"MO RSITE CLASS\n"
"RXOCF-244 LEZAMA 1\n\n"
"EXTERNAL ALARM\n"
"ALTA TEMPERATURA CF_GSM\n"
"MENOR CF_GSM\n"
"MAYOR CF_GSM\n"
"DESCARGA DE BATERIAS CF_GSM\n"
"FALLA DE AC EXTERNO\n"
" TRANSFER ACTIVO\n"
"MOTOGENERADOR ENCENDIDO\n"
"FALLA DE MOTOGENERADOR\n"
"BAJO NIVEL DE COMBUSTIBLE\n")
matches = regex.finditer(test_str)
for match_num, match in enumerate(matches, start=1):
print(f"Match {match_num} was found at {match.start()}-{match.end()}: {match.group()}")
for group_num, group in enumerate(match.groups(), start=1):
print(f"Group {group_num} found at {match.start(group_num)}-{match.end(group_num)}: {group}")
Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for Python, please visit: https://docs.python.org/3/library/re.html