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1.
doc x x x x x x x x
99.
xls x x v x x x x x
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mp3 x x x v x x x x
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mpg x x x v x x x x
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[0-9]??.
* [0,9].
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* [1][1].
??? ?[0,9]*.
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1.
doc x x x x x x x x
99.
xls x x v x x x x x
999.
mp3 x x x v x x x x
099.
mpg x x x v x x x x
5.
xls x v x x x x x x
123.
doc x x x v x x x x
A12.
doc x x x v v x x x
A1A.
xls x x x x v x x x
3a.
mp3 x x x x x x x x
33.
mpg x x v x x x x x
333.
xls x x x v x x x x
3333.
docx x x x x x x x x
2.
docx x x x x x x x x
121.
doc x x x v x x x x
211.
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Ficheiros ???.
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