Remove extra spaces using regex

Question

Product Name:

"                Samsung Floor Standing Invertor Air Conditioner - 2.0 Ton - AF-28FSSDAWKXFA (Q-9000) - White (Brand Warranty)                  "

I have this product name in which i need to remove all the spaces before start and also after last character ")". Regex is compulsory for me. I am trying to achieve all this in python.

Note: Or lets say i need to get only the title without starting and ending spaces.

@PedroLobito What do you mean by engine? I am using python though, if language is what you are asking about. — Mansoor Akram
– Mansoor Akram, Commented Oct 14, 2015 at 19:32
@JoseRicardoBustosM. I don't know the usage of strip? Would you please elaborate? — Mansoor Akram
– Mansoor Akram, Commented Oct 14, 2015 at 19:32
Possible duplicate of How to trim whitespace (including tabs)? — Federico Piazza
– Federico Piazza, Commented Oct 14, 2015 at 19:34

Pedro Lobito · Accepted Answer · 2015-10-14 19:50:48Z

3

Remove extra spaces using regex

There's no need to use a regex for this.

.strip() is what you need.

print yourString.strip()
#Samsung Floor Standing Invertor Air Conditioner - 2.0 Ton - AF-28FSSDAWKXFA (Q-9000) - White (Brand Warranty)

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string.strip(s[, chars])

Return a copy of the string with leading and trailing characters removed. If chars is omitted or None, whitespace characters are removed. If given and not None, chars must be a string; the characters in the string will be stripped from the both ends of the string this method is called on.

edited Oct 14, 2015 at 19:50

answered Oct 14, 2015 at 19:33

Pedro Lobito

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2 Comments

Pedro Lobito Over a year ago

can you please define "this did not worked" ? what's the error ?

Mansoor Akram Over a year ago

No error but it did not removed any whitespace and returned the same result.

wingerse · Accepted Answer · 2015-10-14 19:59:12Z

2

Well, if you must use regex, you can use this:

import re
s = "                Samsung Floor Standing Invertor Air Conditioner - 2.0 Ton - AF-28FSSDAWKXFA (Q-9000) - White (Brand Warranty)                  "
s = re.sub("^\s+|\s+$","",s)
print(s)

Result :

"Samsung Floor Standing Invertor Air Conditioner - 2.0 Ton - AF-28FSSDAWKXFA (Q-9000) - White (Brand Warranty)"

answered Oct 14, 2015 at 19:59

wingerse

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Jose Ricardo Bustos M. · Accepted Answer · 2015-10-14 19:57:32Z

1

Just for fun: a solution using regex (for this is better strip)

import re
p = re.compile('\s+((\s?\S+)+)\s+')
test_str = "                Samsung Floor Standing Invertor Air Conditioner - 2.0 Ton - AF-28FSSDAWKXFA (Q-9000) - White (Brand Warranty)                  "
subst = "\\1"

result = re.sub(p, subst, test_str)
print (result)

you get,

Samsung Floor Standing Invertor Air Conditioner - 2.0 Ton - AF-28FSSDAWKXFA (Q-9000) - White (Brand Warranty)

edited Oct 14, 2015 at 19:57

answered Oct 14, 2015 at 19:34

Jose Ricardo Bustos M.

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