On Sat, May 24, 2014 at 3:09 PM, Gregg Reynolds <d...@mobileink.com> wrote:
> Hi, > > In working on an ANTLR grammar for Clojure I came across this regex in > clojure.lang.LispReader which is used in matchSymbol: > > symbolPat == [:]?([\\D&&[^/]].*/)?(/|[\\D&&[^/]][^/]*) > > Look at the first part of the second group: > > /|[\\D&&[^/]] > > Am I missing something or is that equal to \\D? > That would be equal to \\D, but you're missing that /|[\\D&&[^/]][^/]* is the alternation of / and [\\D&&[^/]][^/]* rather than ( the alternation of / and [\\D&&[^/]] ) concatenated with [^/]* '/' is special-cased as a symbol. It can only be used (with an optional namespace) if it's the only character in the name. Best, Ben -- You received this message because you are subscribed to the Google Groups "Clojure" group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups "Clojure" group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
