[antlr-interest] Regular expression "repetition"

peg_ericsson per.geil at ericsson.com
Mon May 17 05:07:06 PDT 2004


Hi,

I am trying to figure out how the flex repetition expression:

r{2,5}     anywhere from two to five r's

can be written using ANTLR. I am aware of the existing:

(...)?     0 or 1.
(...)+     1 or more.
(...)*     0 or more.

but how can e.g. "2 to 5 repetitions" be specified?

Thanks,
Per





 
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