lcfirst
Examples:
lcfirst-EXPR
lcfirst
Description:
Returns the value of EXPR with the first character lowercased. This
is the internal function implementing the \l 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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