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@@ -199,20 +199,24 @@ regex_match(Str, RE) ->
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regex_replace(SrcStr, RE, RepStr) ->
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re:replace(SrcStr, RE, RepStr, [global, {return, binary}]).
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-%% @doc Searches the string Str for patterns specified by Regexp.
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+%% @doc Non-global search for specified regular expression pattern in the given string.
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%% If matches are found, it returns a list of all captured groups from these matches.
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%% If no matches are found or there are no groups captured, it returns an empty list.
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%% This function can be used to extract parts of a string based on a regular expression,
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%% excluding the complete match itself.
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+%%
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%% Examples:
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%% ("Number: 12345", "(\\d+)") -> [<<"12345">>]
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-%% ("Hello, world!", "(\\w+)") -> [<<"Hello">>, <<"world">>]
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+%% ("Hello, world!", "(\\w+).*\s(\\w+)") -> [<<"Hello">>, <<"world">>]
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%% ("No numbers here!", "(\\d+)") -> []
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%% ("Date: 2021-05-20", "(\\d{4})-(\\d{2})-(\\d{2})") -> [<<"2021">>, <<"05">>, <<"20">>]
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+-spec regex_extract(string() | binary(), string() | binary()) -> [binary()].
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regex_extract(Str, Regexp) ->
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- case re:run(Str, Regexp, [{capture, all_but_first, list}]) of
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- {match, [_ | _] = L} -> lists:map(fun erlang:iolist_to_binary/1, L);
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- _ -> []
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+ case re:run(Str, Regexp, [{capture, all_but_first, binary}]) of
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+ {match, CapturedGroups} ->
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+ CapturedGroups;
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+ _ ->
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+ []
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end.
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ascii(Char) when is_binary(Char) ->
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zmstone