"_" is not an alphabetic character. It's allowed in "alnum" because that is by intent what is \w in other regex implementations, which includes "_".
On Thu, Sep 27, 2018 at 10:47 PM Vijayvithal <perl6-bugs-follo...@perl.org> wrote: > # New Ticket Created by Vijayvithal > # Please include the string: [perl #133541] > # in the subject line of all future correspondence about this issue. > # <URL: https://rt.perl.org/Ticket/Display.html?id=133541 > > > > In the attached code, the only difference between the Grammars G0 and G1 > is the defination of token 'type' it is defined as <alpha> in one case > and as <alnum> in another. > > Since the string being matched is 'sc_in' both the alpha and alnum > tokens should have captured it. But we see the following result on > execution > > =========== <alnum> Example============== > Nil > =========== <alpha> Example============== > ｢sc_in<foo> bar｣ > ruport => ｢sc_in｣ > type => ｢sc_in｣ > alpha => ｢s｣ > alpha => ｢c｣ > alpha => ｢_｣ > alpha => ｢i｣ > alpha => ｢n｣ > > > Perl Version is > > This is Rakudo Star version 2018.06 built on MoarVM version 2018.06 > implementing Perl 6.c. > > > > -- > Vijayvithal > Dyumnin Semiconductors > -- brandon s allbery kf8nh allber...@gmail.com
