$islower(text) Returns $true if text is all lower case.
Text = Will be the given text that you want to check for.
It will return $true because it's the hole given text in lower case.
It will return $false because it's NOT the hole given text in lower case.
Added: mIRC v4.7
Added on: 09 Dec 1996
Note: Unless otherwise stated, this was the date of original functionality.
Further enhancements may have been made in later versions.