< Rebol Programming
USAGE:
ASCII? value
DESCRIPTION:
Returns TRUE if value or string is in ASCII character range (below 128).
ASCII? is a function value.
ARGUMENTS
- value -- (Type: string file email url tag issue char integer)
SOURCE CODE
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] ]
This article is issued from Wikibooks. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.