I'd like to offer up a patch to PatternParser.java that changes the semantics of the precision modifier.
In particular, the current meaning is unchanged with new capabilities added. Semantics are now:
A positive integer indicates a substring starting with that offset from the right to the end.
A negative integer indicates a substring starting with the absolute value of that integer offset from the left to the end.
A pair of integer separated by a comma indicates the substring starting at the offset indicated by the first and ending before the offset indicated by the second.
Examples,
For string a.b.c.d
{2} => c.d
{-1} => b.c.d
{3,2} => b
{-3, -4} => c
If there's a change you'd like in order for it to be accepted please let me know.
Regards,
James
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