On Montag, 6. Juli 2020 14:00:17 CEST Maury Markowitz wrote: > > On Jul 4, 2020, at 6:46 AM, Christian Schoenebeck > > <schoeneb...@crudebyte.com> wrote: The only thing that people are missing > > once in a while on scanner side is unicode support > > I am missing the capability to support grammars with optional spaces between > elements. In BASIC: > > FORI=1TO5 > > is equivalent to: > > FOR I=1 TO 5 > > I have yet to see an elegant way to model this in Flex. This topic comes up > time to time here, so I don't think Unicode is the "only" thing.
You would simply add a RegEx pattern & rule like this: [ \t\r\n]* /* eat up white space */ and/or the same for 'any other unknown input': . /* drop anything else i.e. 'unknown' input */ Best regards, Christian Schoenebeck