How to strip all whitespace from string


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How do I strip all the spaces in a python string? For example, I want a string like strip my spaces to be turned into stripmyspaces, but I cannot seem to accomplish that with strip():

>>> "strip my spaces".strip()
"strip my spaces"

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How do I trim whitespace from a string?

5 answers

robert By robert

How do I remove leading and trailing whitespace from a string in Python?

For example:

" Hello " --> "Hello"
" Hello"  --> "Hello"
"Hello "  --> "Hello"
"Bob has a cat" --> "Bob has a cat"

Answer #1

Just one space or all consecutive spaces? If the second, then strings already have a .strip() method:

>>> " Hello ".strip()
>>> " Hello".strip()
>>> "Bob has a cat".strip()
"Bob has a cat"
>>> "   Hello   ".strip()  # ALL consecutive spaces at both ends removed

If you only need to remove one space however, you could do it with:

def strip_one_space(s):
    if s.endswith(" "): s = s[:-1]
    if s.startswith(" "): s = s[1:]
    return s

>>> strip_one_space("   Hello ")
"  Hello"

Also, note that str.strip() removes other whitespace characters as well (e.g. tabs and newlines). To remove only spaces, you can specify the character to remove as an argument to strip, i.e.:

>>> "  Hello
".strip(" ")


Answer #2

As pointed out in answers above


will remove all the leading and trailing whitespace characters such as , , , f, space .

For more flexibility use the following

  • Removes only leading whitespace chars: my_string.lstrip()
  • Removes only trailing whitespace chars: my_string.rstrip()
  • Removes specific whitespace chars: my_string.strip(" ") or my_string.lstrip(" ") or my_string.rstrip(" ") and so on.

More details are available in the docs.

How do I trim whitespace?

5 answers

Is there a Python function that will trim whitespace (spaces and tabs) from a string?

Example: example string ‚Üí example string


Answer #1

For whitespace on both sides use str.strip:

s = "  	 a string example	  "
s = s.strip()

For whitespace on the right side use rstrip:

s = s.rstrip()

For whitespace on the left side lstrip:

s = s.lstrip()

As thedz points out, you can provide an argument to strip arbitrary characters to any of these functions like this:

s = s.strip(" 	


This will strip any space, , , or characters from the left-hand side, right-hand side, or both sides of the string.

The examples above only remove strings from the left-hand and right-hand sides of strings. If you want to also remove characters from the middle of a string, try re.sub:

import re
print(re.sub("[s+]", "", s))

That should print out:



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