Please note: Many features of this site require JavaScript. You appear to have JavaScript disabled, or are running a non-JavaScript capable web browser.
To get the best experience, please enable JavaScript or download a modern web browser such as Internet Explorer 8, Firefox, Safari, or Google Chrome.
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.
If EXPR is omitted, uses $_
.
This function behaves the same way under various pragma, such as in a locale, as lc does.