[Octave-bug-tracker] [bug #52647] missing function: erase (introduced Matlab 2016b)

[Doug Stewart]

Follow-up Comment #21, bug #52647 (project octave):

Rik:

  Here is a summery of what I have found.

We can use char arrays under the following conditions.
nstr=erase( “The slow cat caught the mouse” , “cat ”) 
nstr=erase( “The slow cat caught the mouse” , [“cat”  ; “slow “])

nstr=erase(originalstr, delstr)

1)  if originalstr is just one string (use num2cell )
2)  if delstr is just one string then trailing spaces will work.
          (Use num2cell )
3)  if delstr is multiple strings then only  the longest one will have
        correct trailing spaces.   The rest will have too many trailing
spaces.
           (Use num2cell )
      This should not be allowed because of the trailing spaces. 

We can use cells for any condition.
nstr=erase( {“The slow cat caught the mouse”} , {“cat ”  ; “slow
“}) 
nstr=erase( {“The slow cat caught the mouse”} , {“cat ”  , “slow
“})  
nstr=erase( {“The slow cat” ; “ caught the mouse”} , {“cat ”  ,
“slow “})  
etc.
 (use cellstr)

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