[XML-DEV Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message] RE: simpleType hh:mm:ss:ff
On Mon, 22 Jan 2001, José Manuel Beas wrote: > Right. It works. But what if I wanted to define it deriving from > xsd:timeDuration. > No idea. > And if I wanted to define a date like "yyyymmdd"? It's conceivable that you could use a regular expression to capture the rules for which months have how many days (including leap years), but it would be a *very* hairy RE, and it would be restricted to only those centuries for which you enumerate the patterns. In fact, it would be such a complicated expression, that it's hard to imagine that it be worth it, just to get rid of the standard punctuation. Now, if you only want an approximate solution, you might be happy with something like "\d{4}[01]\d[0-3]\d" There's a continuum, of course. You could fiddle with this without too much pain and get a little more control (restricting mm to 01 through 12 and dd to 01 through 31), but if you really want to nail down the right ranges for dd depending on what yyyymm is, you're in for some tedious work. -- Bob Kline mailto:bkline@r... http://www.rksystems.com
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