Description:
Check if a string is composed of upper case letters.
Syntax:
isupper(string)
Note:
The function checks if the string string is composed of upper case letters. If string is an integer, look it up in the ASCII table to see if the correponding characters are in upper case.
Parameter:
|
String |
String expression/numeric expression |
Return value:
Boolean value
Example:
|
isupper("ADSFDGKJ") |
true |
|
isupper(85) |
true |
|
isupper("SDsdsSDAS") |
false |
|
isupper("8ASDS7") |
false |
Related function: