[Python-Dev] [Python-checkins] peps: PEP 426: replace implied 'version starts with' with new ~= operator
ncoghlan at gmail.com
Sat Feb 23 12:06:00 CET 2013
On Sat, Feb 23, 2013 at 2:24 PM, Ezio Melotti <ezio.melotti at gmail.com> wrote:
> On Sat, Feb 23, 2013 at 5:33 AM, daniel.holth
> <python-checkins at python.org> wrote:
>> changeset: 4764:de69fe61f300
>> user: Daniel Holth <dholth at fastmail.fm>
>> date: Fri Feb 22 22:33:09 2013 -0500
>> PEP 426: replace implied 'version starts with' with new ~= operator
> I haven't seen any discussion about this, but FWIW CSS  and JQuery
>  use ^= for this purpose.
> ^ also indicates the beginning of the string in regular expressions
> (this is why ^= was chosen for CSS/JQuery).
> They also use ~= to indicate "attribute contains word" .
> Perl also has a similar-looking operator  (=~) used to test a regex match.
Daniel is a fan of this syntax, but I think it is inferior to the
implied approach, so don't expect it to survive to any accepted
version of the PEP :)
Nick Coghlan | ncoghlan at gmail.com | Brisbane, Australia
More information about the Python-Dev