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

 1-- This file is part of a Liberty Eiffel library.
 2-- See the full copyright at the end.
 3--
 4class REGULAR_EXPRESSION_ITEM_BEGIN_OF_WORD
 5   --
 6   -- test the begin of a word
 7   --
 8
 9inherit
10   REGULAR_EXPRESSION_ITEM
11
12feature {ANY}
13   explore (matcher: BACKTRACKING_REGULAR_EXPRESSION)
14      do
15         if matcher.is_begin_of_word then
16            matcher.continue
17         else
18            matcher.backtrack
19         end
20      end
21
22end -- class REGULAR_EXPRESSION_ITEM_BEGIN_OF_WORD
23--
24-- Copyright (C) 2009-2017: by all the people cited in the AUTHORS file.
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