samb wrote in news:5c361012-1f7b-487f-915b-0f564b238be3
@e1g2000yqh.googlegroups.com in comp.lang.python:
> Thanks for all those suggestions.
> They are good!
>
> 1) Let's suppose now that instead of just affecting "thing =
> m.group(1)", I need to do a piece of logic depending on which match I
> entered...
>
> 2) Concerning the suggestion :
> m = re.match(r'define\s+(\S+)\s*{$', line)
> if m:
> thing = m.group(1)
>
> m = re.match(r'include\s+(\S+)$', line)
> if m:
> thing = m.group(1)
>
> #etc...
>
> It means that I'll do all the checks, even if the first one did match
> and I know that the next will not...
>
Ths is how I did it when I had the need:
class ReMatch( object ):
def __call__( self, pat, string ):
import re
self.match = re.match( pat, string )
return self.match is not None
clip = ...
re = ReMatch()
if re( r'\s*TM(\d+)', clip ):
...
elif re( r'\s*(https?://.*)', clip ):
...
elif re( r'\d{12}$', clip ):
...
Rob.
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