qb64/internal/help/UCASE$.md

The UCASE$ function returns an all-uppercase version of a STRING.

Syntax

result$ = UCASE$(text$)

Description

• Used to guarantee that all alphabetical characters in a STRING are capitalized.
• Does not affect non-alphabetical characters.

Example(s)

The following code guarantees that all letter key entries are capitalized:

PRINT "Do you want to continue? (y/n)"

DO
    K$ = UCASE$(INKEY$)
LOOP UNTIL K$ = "Y" OR K$ = "N"

See Also

• LCASE$ (lower case)
• INKEY$
• INPUT$