UC

NAME
SYNOPSIS
DESCRIPTION

NAME

uc - return upper-case version of a string

SYNOPSIS

uc EXPR

uc

DESCRIPTION

Returns an uppercased version of EXPR. This is the internal function implementing the \U escape in double-quoted strings. Respects current LC_CTYPE locale if use locale in force. See the perllocale manpage.

If EXPR is omitted, uses $_.