str_uppercase: str_uppercase, str_lowercases

In lettercase: Utilities for Formatting Strings with Consistent Capitalization, Word Breaks and White Space

Description

convert string to upper or lower case

Usage

str_lowercase(string)

str_lower_case(string)

str_lower(string)

str_decapitalize(string)

is_lowercase(string)

is_lower_case(string)

is_lower(string)

str_uppercase(string)

str_upper_case(string)

str_upper(string)

str_all_caps(string)

str_allcaps(string)

str_capitalize(string)

is_uppercase(string)

is_upper_case(string)

is_upper(string)

is_all_caps(string)

is_allcaps(string)

Arguments

string

character; argument to be converted

Upper Case and All Caps

uppercase, upper_case, allcaps, all_caps are all synonyms.

upper case or all caps contains all capital letters.

Lower Case

str_all_caps is a synonym for str_uppercase. is_all_caps is a synonym for is_upper_case.

See Also

str_is

Examples

str_decapitalize( "ABC" )     # abc
# is_lower_case
  is_lowercase( 'ABC123' )      # FALSE
  is_lowercase( 'abc123' )      # TRUE
  is_lowercase( 'aB'  )         # FALSE
  is_lowercase( '123' )         # TRUE
# str_uppercase
  str_uppercase( "one flew over the cuckoo's nest" )
  str_uppercase( "catch-22" )

  str_capitalize( "abc" )               # ABC
  str_all_caps( "abc" )                 # ABC
# is_uppercase
  is_uppercase( 'ABC123' )      # TRUE
  is_uppercase( 'abc123' )      # FALSE
  is_uppercase( 'aB'  )         # FALSE
  is_uppercase( '123' )         # TRUE

Example output

Loading required package: stringr
lettercase-0.13.1 - Copyright <U+00A9> 2020 Decision Patterns
[1] "abc"
[1] FALSE
[1] TRUE
[1] FALSE
[1] TRUE
[1] "ONE FLEW OVER THE CUCKOO'S NEST"
[1] "CATCH-22"
[1] "ABC"
[1] "ABC"
[1] TRUE
[1] FALSE
[1] FALSE
[1] TRUE

lettercase documentation built on May 1, 2019, 9:45 p.m.