useful (version 1.2.6)

upper.case: upper.case

Description

Checks if strings are all upper case

Usage

upper.case(string)

Value

A vector of TRUE AND FALSE

Arguments

string

Character vector of strings to check cases

Author

Jared P. Lander

Details

Checks if strings are all upper case. This is a wrapper for find.case('text', 'upper'). If string is all numbers it returns TRUE.

See Also

find.case lower.case mixed.case numeric.case

Examples

toCheck <- c('BIG', 'little', 'Mixed', 'BIG WITH SPACE', 'little with space', 'MIXED with SPACE')
upper.case(toCheck)