alt_group | R Documentation |
Specifications of flexmodel
objects often
involves string manipulations with regular expressions,
and these functions provide some convenience in this area.
alt_group(x, exact = FALSE, negate = FALSE)
wrap_exact(x)
all_in(x)
any_var(x)
all_except(x)
x |
character vector to convert into a length-1 character vector representing a regular expression pattern |
exact |
should the regular expression look for exact matches? |
negate |
should the regular expression look for stings that do not match? |
a regular expression pattern to be used in functions
like grep
and grepl
, but also in
add_state_param_sum
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