What is the RE to match the list?

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What is the RE to match the list?



I want to know how to construct the regular express to extract the list.



Here is my string:


audit = "## audit_filter = ['hostname.*','service.*'] ##"



Here is my expression:


AUDIT_FILTER_RE = r'([.*])'



And here is my search statement:


audit_filter = re.search(AUDIT_FILTER_RE, audit).group(1)



I want to extract everything inside the square brackets including the brackets. '[...]'



Expected Output:


['hostname.*','service.*']





print(re.findall(r"[(.*?)]", audit))
– Rakesh
Aug 7 at 18:59


print(re.findall(r"[(.*?)]", audit))





I might recommend ([[^]]+]), in case of multiple lists (though not nested lists.)
– Patrick Haugh
Aug 7 at 19:01


([[^]]+])




2 Answers
2


import re
audit = "## audit_filter = ['hostname.*','service.*'] ##"
print eval(re.findall(r"[.*]", audit)[0]) # ['hostname.*', 'service.*']



findall returns a list of string matches. In your case, there should only be one, so I'm retrieving the string at index 0, which is a string representation of a list. Then, I use eval(...) to convert that string representation of a list to an actual list. Just beware:


findall


eval(...)


eval()





Thank you Sir! This is exactly what I needed!
– python_newbie
Aug 7 at 20:27





Great. Since this solved the problem, could you please mark it as the accepted answer?
– Emil
Aug 7 at 20:46




Use r"[(.*?)]"


r"[(.*?)]"



Ex:


import re
audit = "## audit_filter = ['hostname.*'] ##"
print(re.findall(r"[(.*?)]", audit))



Output:


["'hostname.*'"]





The RE picks up the double quotes? I just want the single quotes and no double quotes...
– python_newbie
Aug 7 at 19:05





No....That is actually a string "RESULT"
– Rakesh
Aug 7 at 19:07


"RESULT"






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