Regex Python Error

Question

I'm tring to find <20> UNIQUE Registered in hostname <20> UNIQUE Registered and replace it with "" in python. Below is my code. Please inform me where my syntax is wrong to replace this string:

string = string.replace(r'<\d*2>  UNIQUE      Registered ', "")

alecxe · Accepted Answer · 2016-04-04 19:42:30Z

4

replace() cannot do regular expression substitution. Use re.sub() instead:

>>> import re
>>> s = "hostname <20>  UNIQUE      Registered"
>>> re.sub(r"<\d{2}>\s+UNIQUE\s+Registered", "", s)
'hostname '

where \d{2} would match 2 subsequent digits, \s+ - one or more space characters.

As a side note, could not you just split the string by space and get the first item:

>>> s.split()[0]
'hostname'

answered Apr 4, 2016 at 19:42

alecxe

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1 Comment

pHorseSpec Over a year ago

The split method worked. I couldn't seem to get the sub method to work

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