_Added in 1.9.0_

*$isupper(text)*

Returns [[$true]] if text is all upper case otherwise [[$false]].

_See also [[$upper]], [[$lower]], [[$islower]]._

*Parameters*

table(ktable).
|*Parameter*|*Description*|
| text | Text to check. |

*Example*

<pre>
; Check if 'TEXT' is uppercase.
//if ($isupper(TEXT)) echo -ag text is uppercase
</pre>