Test that the user's expression matches a regular expression.
Returns TRUE if as.character(e$val) matches the regular
expression given as the first argument.
val_matches(regular_expression)
regular_expression |
a regular expression which user value should match |
TRUE or FALSE
Other AnswerTests:
AnswerTests,
any_of_exprs(),
calculates_same_value(),
expr_creates_var(),
expr_identical_to(),
expr_is_a(),
expr_uses_func(),
func_of_newvar_equals(),
omnitest(),
val_has_length(),
var_is_a()
## Not run:
# Test that a user has entered a value matching
# '[Cc]ollege [Ss]tudents' or has selected it
# in a multiple choice question.
#
val_matches('[Cc]ollege [Ss]tudents')
## End(Not run)Please choose more modern alternatives, such as Google Chrome or Mozilla Firefox.