Schüle Daniel wrote:
> Hello @all,
>
> >>> p = re.compile(r"(\d+) = \1 + 0")
> >>> p.search("123 = 123 + 0")
>
> 'search' returns None but I would expect it to
> find 123 in group(1)
>
> Am I using something that is not supported by Python
> RegExp engine or what is the problem with my regexp?
plus matches one or more instances of the previous item. to make
it match a plug sign, you have to escape it:
p = re.compile(r"(\d+) = \1 \+ 0")
</F>
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