$tolower(<text>)

• This function returns a copy of <text> such that all characters for which isupper(<char>) is true are converted to tolower(<char>).
• This function uses the “ISO C89” isupper(3) and tolower(3) functions and as such obey your system's LOCALE settings.

Useful to convert all lowercase characters in a string to lowercase.

<text> converted to all lowercase letters.

$tolower(HELLO THERE.) returns “hello there.”

This function first appeared in ircII.