Returns the value of EXPR with thefirst character in uppercase (Unicode calls this titlecase). If EXPR is omitted,ucfirst uses$_.
my $str = ucfirst("hello world!"); # "Hello world!"This function behaves the same way under various pragmas, such as in a locale, aslc does.
Note: This is the internal function implementing the\u escape in double-quoted strings.
my $str = "\uperl\E is great"; # "Perl is great"Perldoc Browser is maintained by Dan Book (DBOOK). Please contact him via theGitHub issue tracker oremail regarding any issues with the site itself, search, or rendering of documentation.
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