[Mapcss] Regexp as attribute selection

[Chris Browet]

> How about these rules:
>
> For the two strings to match, their contents must be identical except that
> the
> following special sequences may appear in pattern:
>
>  *     Matches any sequence of characters in string, including a null
> string.
>
>  ?     Matches any single character in string.
>
>  [chars]   Matches any character in the set given by chars.  If a sequence
> of
> the form x-y appears in  chars,  then  any character  between  x  and y,
> inclusive, will match.
>
>  \x        Matches the single character x.  This provides a way of avoiding
> the special interpretation of the characters  *?[]\ in pattern.
>
> Seems pretty good to me, and easily implementable whatever the
tools/languages used.

- Chris -
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