Regular matching always reports an error.

ss=" Beijing Qidan Culture Co., Ltd."
print (re.findall (. *? Co., Ltd.) {5 module 20}", ss) [0])
Traceback (most recent call last):
File "< input >", line 1, in < module >
IndexError: list index out of range
print (re.findall ("(. *? Co., Ltd.) {5 module 20}", ss) [0])
Traceback (most recent call last):
File "< input >", line 1, in < module >
IndexError: list index out of range
print (re.findall ("(. *? Co., Ltd.)", ss) [0])
Beijing liability Co., Ltd.
print (re.findall (. *? Co., Ltd.)
Traceback (most recent call last):
File "< input >", line 1, in < module >
IndexError: list index out of range
Why do I always report an error when I add a limit on length (Ltd.)
Traceback (most recent call last):
File "< input >", line 1, in < module >

? Cannot match

Dec.08,2021

{n, m}: M an dna re nonnegative numbers, with a minimum of n matches and a maximum of m matches.

MySQL Query : SELECT * FROM `codeshelper`.`v9_news` WHERE status=99 AND catid='6' ORDER BY rand() LIMIT 5
MySQL Error : Disk full (/tmp/#sql-temptable-64f5-1b3b2c4-2c277.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1b3b2c4-2c277.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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