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2014-03-02 21:36 GMT+02:00 Thiago L. <>:

> Ok, you want a plain match, same rules apply: it doesn't care about the
> index, it'll just try to find the data, for index -30 and string "cat" -30
> would be translated into -27 (because string length - 30) and then it would
> still match as "cat" is still on the string (which's 30 chars long with a
> padding of 27 empty spaces on the left).

This is not what happens. There is no padding to the left. The -27 is
adjusted to be 1.