Description:
Check if a string is composed of uppercase letters.
Syntax:
isupper(string)
Note:
The function checks if the string string is composed of uppercase letters. If string is an integer, look it up in the ASCII table to see if the corresponding characters are in uppercase.
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: