How can I strip first and last double quotes

Question

I want to strip double quotes from   string               1             to obtain   string              1            I tried to use rstrip  lstrip and strip                but it did not work   How can I do this

User · Answer

If string is always as you show   string 1 -1

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Below function will strip the empty spces and return the strings without quotes  If there are no quotes then it will return same string stripped   def removeQuote str   str   str strip   if re search                    str       str   str 1 -1      print  Removed Quotes  str  else      print  Same String  str  return str

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find the position of the first and the last   in your string   gt  gt  gt  s               1            gt  gt  gt  l   s find       gt  gt  gt  r   s rfind        gt  gt  gt  s l 1 r             1

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I have some code that needs to strip single or double quotes  and I can t simply ast literal eval it   if len arg   gt  1 and arg 0  in         and arg -1     arg 0       arg   arg 1 -1    This is similar to ToolmakerSteve s answer  but it allows 0 length strings  and doesn t turn the single character   into an empty string

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If you can t assume that all the strings you process have double quotes you can use something like this   if string startswith      and string endswith           string   string 1 -1    Edit   I m sure that you just used string as the variable name for exemplification here and in your real code it has a useful name  but I feel obliged to warn you that there is a module named string in the standard libraries   It s not loaded automatically  but if you ever use import string make sure your variable doesn t eclipse it

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If you are sure there is a   at the beginning and at the end  which you want to remove  just do   string   string 1 len string -1    or   string   string 1 -1

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To remove the first and last characters  and in each case do the removal only if the character in question is a double quote   import re  s   re sub r             s    Note that the RE pattern is different than the one you had given  and the operation is sub   substitute   with an empty replacement string  strip is a string method but does something pretty different from your requirements  as other answers have indicated

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If the quotes you want to strip are always going to be  first and last  as you said  then you could simply use   string   string 1 -1

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in your example you could use strip but you have to provide the space  string               1           string strip          output    1    note the    in the output is the standard python quotes for string output  the value of your variable is    1

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IMPORTANT  I m extending the question answer to strip either single or double quotes  And I interpret the question to mean that BOTH quotes must be present  and matching  to perform the strip  Otherwise  the string is returned unchanged   To  dequote  a string representation  that might have either single or double quotes around it  this is an extension of  tgray s answer    def dequote s               If a string has single or double quotes around it  remove them      Make sure the pair of quotes match      If a matching pair of quotes is not found  return the string unchanged              if  s 0     s -1   and s startswith                      return s 1 -1      return s   Explanation   startswith can take a tuple  to match any of several alternatives  The reason for the DOUBLED parentheses    and    is so that we pass ONE parameter            to startswith    to specify the permitted prefixes  rather than TWO parameters     and      which would be interpreted as a prefix and an  invalid  start position   s -1  is the last character in the string   Testing   print  dequote    he  l lo       print  dequote   he  l lo      print  dequote  he  l lo     print  dequote   he  l lo             he l lo he l lo he l lo  he l lo     For me  regex expressions are non-obvious to read  so I didn t try to extend  Alex s answer

User · Answer

Starting in Python 3 9  you can use removeprefix and removesuffix               1           removeprefix      removesuffix                   1

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Almost done  Quoting from http   docs python org library stdtypes html highlight strip str strip     The chars argument is a string   specifying the set of characters to be   removed              The chars argument is not a prefix or   suffix  rather  all combinations of   its values are stripped    So the argument is not a regexp    gt  gt  gt  string               1            gt  gt  gt  string strip                1          gt  gt  gt     Note  that this is not exactly what you requested  because it eats multiple quotes from both end of the string

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Remove a determinated string from start and end from a string   s      Hello World    s strip         gt   Hello World

[python] How can I strip first and last double quotes?

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