How can I delete regex substrings in Python?

Question

How can I delete a substring which starts with @ and ends with a blank space in Python?
Also I want to remove all the sequences starting with http, e.g.:

Input  "ABC @XYZ ABC @Python ABC http://www.stackoverflow.com ABC"
Output "ABC ABC ABC ABC"

Have you heard about regular expressions? docs.python.org/2/library/re.html — freakish
– freakish, Commented May 18, 2015 at 17:44
Oh, missed that. Then the next question is: what have you tried? — freakish
– freakish, Commented May 18, 2015 at 17:45

Martin Konecny · Accepted Answer · 2015-05-18 17:47:06Z

4

You can use the regex sub method and replace with the empty string '':

import re
input = 'ABC @XYZ ABC @Python ABC http://www.stackoverflow.com ABC'
output = re.sub(r'(http|@)\S*\s', '', input) 
print output  # 'ABC ABC ABC ABC'

answered May 18, 2015 at 17:47

Martin Konecny

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