add required parameters to regex tests

[SVN r8534]

libs/regression.cfg

@@ -16,8 +16,8 @@ run libs/integer/integer_traits_test.cpp
 run libs/rational/rational_example.cpp
 run libs/random/random_test.cpp
 run libs/random/random_demo.cpp
-run libs/regex/demo/regress/regex_test.cpp
-run libs/regex/demo/regress/wregex_test.cpp
+run libs/regex/demo/regress/regex_test.cpp regex/demo/regress/tests.txt
+run libs/regex/demo/regress/wregex_test.cpp regex/demo/regress/tests.txt
 run libs/smart_ptr/smart_ptr_test.cpp
 compile libs/static_assert/static_assert_test.cpp
 compile-fail libs/static_assert/static_assert_test_fail_1.cpp