ucfirst
- ucfirst EXPR
- ucfirst
Returns the value of EXPR with the first character in uppercase (titlecase in Unicode). This is the internal function implementing the
\u
escape in double-quoted strings. Respects current LC_CTYPE locale ifuse locale
in force. See perllocale and perlunicode for more details about locale and Unicode support.If EXPR is omitted, uses
$_
.