/src/lib/regular_expression/internal/regular_expression_items/regular_expression_item_is_posix_upper.e

 1-- This file is part of a Liberty Eiffel library.
 2-- See the full copyright at the end.
 3--
 4class REGULAR_EXPRESSION_ITEM_IS_POSIX_UPPER
 5
 6inherit
 7   REGULAR_EXPRESSION_ITEM
 8
 9feature {ANY}
10   explore (matcher: BACKTRACKING_REGULAR_EXPRESSION)
11      do
12         if matcher.valid_last_character and then matcher.last_character.is_upper then
13            matcher.advance
14            matcher.continue
15         else
16            matcher.backtrack
17         end
18      end
19
20end -- class REGULAR_EXPRESSION_ITEM_IS_POSIX_UPPER
21--
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