Charset - Function Summary

Summary:

Makes a bitset of chars for the parse function.

Usage:

charset chars

Arguments:

chars - The chars argument. (must be: string block)

Description:

A shortcut for MAKE BITSET! Used commonly for character based bit sets.

chars: charset "aeiou" print find chars "o" true

print find "there you go" chars ere you go

digits: charset "0123456789" area-code: ["(" 3 digits ")"] phone-num: [3 digits "-" 4 digits] print parse "(707)467-8000" [[area-code | none] phone-num] true

Related:

char? - Returns TRUE for char values.