[Tutor] Regex comments

[Peter Otten]

Michael Powe wrote:

> The re module includes the option to comment a regular expression with
> the syntax (?#comment).  e.g.
> 
> p=r'(.*) (?P<grp>WT.dl)(?#parameter)=(?P<val>[^&]+)(?#value).*'
> 
> Is there a mechanism for extracting these values from the match, in
> the way that group names are extracted?
> 
> I don't see one.

You could write a regular expression to extract them ;)

> The point would be that in my processing of the match, I could
> implement the comments as identifiers for the matched value.

But that's what the names are for, e. g.:

>>> re.compile(r'(.*) (?P<parameter>WT.dl)=(?P<value>[^&]+).*').search(
" WTxdl=yadda&ignored").groupdict()
{'parameter': 'WTxdl', 'value': 'yadda'}

Or am I missing something?

Peter