>CLEAR
>SET EXACT OFF
>SET COLLATE TO "MACHINE"
>_SCREEN.Caption='Hello'
>? WEXIST('hello'),LOWER(ALLTRIM(_SCREEN.Caption))=LOWER('hello')
>_SCREEN.Caption=CHR(160)+'Hello'
>? WEXIST('hello'),LOWER(ALLTRIM(_SCREEN.Caption))=LOWER('hello')
>