2> template:replace("Hello $(NAME)", #{"NAME" => "John Doe"}).
"Hello John Doe"

3> template:replace("Hello $(GIVEN_NAME) $(SURNAME)", #{"GIVEN_NAME" => "John", "SURNAME" => "Doe"}).
"Hello John Doe"

4> template:replace("Hello $(NAME)", #{}).
{error,{bad_key,"NAME"}}

5> template:replace("Hello $(NAME", #{"NAME" => "John"}).
{error,eof}

2> template:match("$(A)bc", "abc").
#{"A" => "a"}

3> template:match("a$(A)$(A)a", "abba").
#{"A" => "b"}

4> template:match("$(A)bcd$(B)", "bcde").
#{"A" => [],"B" => "e"}

5> template:match("$(A)bc$(A)", "abcd").
{error,no_match}

6> template:match("$(A)bc$(A", "abcd").
{error,eof}