Split String on the multiple spaces using python

Question

I want to split the string on multiple spaces but not on single space.

I have tried string.split() but it splits on every single space

here is my code

string='hi i am    kaveer  and i am a   student'   
string.split()

i expected the result

['hi i am','kaveer','and i am a','student']

but actual result is

['hi','i','am','kaveer','and','i','am','a','student']

Mark · Accepted Answer · 2019-06-30 07:31:33Z

8

You can make a regular expression that matches 2 or more spaces and use re.split() to split on the match:

import re

s='hi i am    kaveer'   
re.split(r'\s{2,}', s)

result

['hi i am', 'kaveer']

answered Jun 30, 2019 at 7:31

Mark

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4 Comments

Veer Singh Over a year ago

thanks, it worked on the previous problem please revisit the question it is becoming more difficult

Mark Over a year ago

@VeerSingh this works on your new string too. Have you tried it?

Veer Singh Over a year ago

can you tell me how it works or any resource to understand it

Mark Over a year ago

@VeerSingh it's a regular expression which is a pattern matcher. \s matches a space, {2,} modifies it to match two or more. If you google regular expression you will find lots of information.

Debendra · Accepted Answer · 2019-06-30 08:16:59Z

0

You don't need to import anything, get rid of regexp. Enjoy real python.

>>> string='hi i am    kaveer  and i am a   student'   
>>> new_list = list(map(lambda strings: strings.strip(), string.split('  ')))
['hi i am', '', 'kaveer', 'and i am a', 'student']

# remove empty string from list.
>>> list(filter(None, new_list))
['hi i am', 'kaveer', 'and i am a', 'student']

# Or you could combine it all of these on one line,
# Of course you could loose readability.


>> list(filter(None, list(map(lambda strings: strings.strip(), string.split('  ')))))

edited Jun 30, 2019 at 8:16

answered Jun 30, 2019 at 8:03

Debendra

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4 Comments

Mark Over a year ago

Is calling 7 functions to split a string really better than a simple regexp? It's also not clear why using python's standard library isn't "real" python.

Debendra Over a year ago

You have just imported whole re library, which could be simplified just using python's built in functions . Python's re module is based on PCRE.

Tomerikoo Over a year ago

Your code is great and works, but I'm sorry, real python means readable easy code. Don't see what so bad about a simple regex...

Debendra Over a year ago

Yeah your code is just great, just simple two lines. I just did without using library. Maybe it may help others.

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