ucfirst
Examples:
ucfirst-EXPR
ucfirst
Description:
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 if use locale in force. See perllocale and perlunicode
for more details about locale and Unicode support.
If EXPR is omitted, uses $_.
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