Function Reference


StringIsUpper

Checks if a string contains only uppercase characters.

StringIsUpper ( "string" )

Parameters

string The string to check

Return Value

Success: 1.
Failure: 0 if string contains non-uppercase characters.

Remarks

Note that digits/punctuation/whitespace will cause StringIsUpper() to return 0.

Related

StringIsAlNum, StringIsAlpha, StringIsASCII, StringIsDigit, StringIsLower, StringIsSpace, StringIsXDigit, StringLower, StringUpper

Example

#include <MsgBoxConstants.au3>

Local $sString = "UPPERCASESTRING" ; Check whether this string contains only uppercase characters.
If StringIsUpper($sString) Then
    MsgBox($MB_SYSTEMMODAL, "", "The variable is an uppercase string")
Else
    MsgBox($MB_SYSTEMMODAL, "", "The variable is not an uppercase string")
EndIf