@TUPPER[string] : Returns the number of upper case letters in string.

 

See also: @TALNUM, @TALPHA, @TASCII, @TCNTRL, @TDIGIT, @TLOWER, @TPRINT, @TPUNCT, @TSPACE, and @TXDIGIT.

 

Example:

 

echo %@tupper[hello]

0

 

echo %@tupper[Hello]

1