| "Gm*n"
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| Means extract, after the (m)th occurrence of the value specified by *, (n) elements that are separated by *.
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 Examples
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| "G1/2" on a field of 04/07/2001 result in 07/2001
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| "G/2" on the same data the result is 04/07.
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| "G2/1" will result in 2001.
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| "G/1" will result in 04.
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