Tim Goodwin schrieb: > But I don't think the language x ^ n is expressible in a > PEG.
Of course it is. It's l <- x+
PEGs are very similar to RegEx, they even contain RegEx.
As a thumbnail:
Write more like RegEx, and use the other possibilities for the parts
only, where the part of the language is not regular:
b <- '(' a ')' // ;-)
Yours,
VB.
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