Mailing List Archive: 49091 messages
  • Home
  • Script library
  • AltME Archive
  • Mailing list
  • Articles Index
  • Site search
 

[REBOL] Re: Parse query

From: petr:krenzelok:trz:cz at: 12-Nov-2001 12:51

John R wrote:
> Andrew, > > Thanks but this doesn't seem to work. > > The REBOL parse documentation does not look very comprehensive to me for a > feature which is obviously very powerful. I am not clear from reading it how > your rules starting with copy are intended to work. > > Also can the rules enforce specific character sequences > > e.g. dd/mm/yyyyy because my reading of a rule like > 2 digit "/" 2 digit "/" 4 digit is that it would allow values like > 31 /01/ 1997 i.e. embedded white space between terms?
I don't follow the thread, so I can possibly miss the point, but as for above example - yes, white spaces would be allowed. If you want to prevent that, use parse in more precise way - parse/allĘ: ->> help parse USAGE: PARSE input rules /all /case DESCRIPTION: Parses a series according to rules. PARSE is a native value. ARGUMENTS: input -- Input series to parse (Type: series) rules -- Rules to parse by (Type: block string none) REFINEMENTS: /all -- Parses all chars including spaces. ^^^^^^^ /case -- Uses case-sensitive comparison. PS - as for single char delimiters, try following: ->> parse "11/01/1999" "/" == ["11" "01" "1999"] ->> parse "+420-605/111222" "-/" == ["+420" "605" "111222"] Cheers, -pekr-