datacheck (version 1.2.2)

is_only_lowers: Tests if a string has only lower case letters

Description

Tests if a string has only lower case letters

Usage

is_only_lowers(s)

Arguments

s

a character string

Value

boolean TRUE if detects anything

See Also

Other rule_checks: has.punct; has_punct; is.oneOf; is.onlyLowers; is.properName; is.withinRange; is_one_of; is_proper_name; is_within_range

Examples

is_only_lowers("example") == TRUE

is_only_lowers("Example") == FALSE