David, Thank you for your reply.
> On May 9, 2017, at 20:05, Dave <[email protected]> wrote: > > Parsimony aside, since the pipe defines alternative patterns, there is no way > to create patterns like (dog|cat) using character classes. Hence the question "I'm wondering if [] and | are equivalent for *single characters*". (emphasis added). So the question is, for any arbitrary a and b, are [ab] and a|b logically equivalent, or are there cases for some a and b where it is not the case? Jean-Christophe > > On Monday, May 8, 2017 at 10:10:45 PM UTC-4, Jean-Christophe Helary wrote: > I'm wondering if [] and | are equivalent for single characters or if there > are marginal cases where they would not be equivalent ? -- This is the BBEdit Talk public discussion group. If you have a feature request or would like to report a problem, please email "[email protected]" rather than posting to the group. Follow @bbedit on Twitter: <http://www.twitter.com/bbedit> --- You received this message because you are subscribed to the Google Groups "BBEdit Talk" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at https://groups.google.com/group/bbedit.
