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

[Carnë Draug]

Follow-up Comment #5, bug #52647 (project octave):

I am providing here examples from 2017b for the purpose of test units. They
mainly cover the logic for trailing whitespace (must be kept) and for
overlapping matches.


> erase ('aba', 'aba')    

ans =

  0x0 empty char array

>> erase ('ababa', 'aba')

ans =

    'ba'

>> erase ('abababa', 'aba')

ans =

    'b'

>> erase ('ababababa', 'aba')

ans =

    'bba'

>> erase ('ababababa', {'aba', 'bba'})

ans =

    'bba'

>> erase (' ababababa ', {'aba', 'bba'})

ans =

    ' bba '

>> erase (' ababa ', {'aba', 'baba'})    

ans =

    ' ba '


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