REBOL Programming/ascii?

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USAGE:[edit]

ASCII? value 

DESCRIPTION:[edit]

Returns TRUE if value or string is in ASCII character range (below 128).

ASCII? is a function value.

ARGUMENTS[edit]

  • value -- (Type: string file email url tag issue char integer)

SOURCE CODE[edit]

ascii?: func [
    {Returns TRUE if value or string is in ASCII character range (below 128).} 
    value [string! file! email! url! tag! issue! char! integer!] /local 
    ascii
][
    ascii: make bitset! #{
FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00000000000000000000000000000000
} 
    either any-string? value [parse/all/case value [any ascii]] [value < 128]
]