Perl 5 version 8.7 documentation
- ucfirst EXPR
Returns the value of EXPR with the first character in uppercase (titlecase in Unicode). This is the internal function implementing the
\uescape in double-quoted strings. Respects current LC_CTYPE locale if
use localein force. See perllocale and perlunicode for more details about locale and Unicode support.
If EXPR is omitted, uses