perlfunc gods <P> uc - return upper-case version of a string <P> <HR> <P> uc <FONT SIZE=-1>EXPR</FONT> <P> uc <P> <HR> <P> Returns an uppercased version of <FONT SIZE=-1>EXPR.</FONT> This is the internal function implementing the <CODE>\U</CODE> escape in double-quoted strings. Respects current <FONT SIZE=-1>LC_CTYPE</FONT> locale if <CODE>use locale</CODE> in force. See [perlman:perllocale|the perllocale manpage]. <P> If <FONT SIZE=-1>EXPR</FONT> is omitted, uses <CODE>$_</CODE>. <HR>