RE: limits of regular expressions

I believe the same scenario applies to credit cards (in the UK anyway).

Colin
  -----Original Message-----
  From: xmlschema-dev-request@w3.org [mailto:xmlschema-dev-request@w3.org]On
Behalf Of Rainer Becker
  Sent: 23 August 2002 16:47
  To: 'xmlschema-dev@w3.org'
  Subject: limits of regular expressions


  Hallo NG,

  If the task would be to represent an ISBN-number with a regex
  would you agree that this can´t be done sufficiently with the current
version
  of XML Schema regexes, because the last digit is calculated?

  Is it planned to do something like this, perhaps in the next version?

  Provided that the first assumption is true, can you think of other
"common" use-cases
  that regexes can´t do yet?

  Thank you

  Rainer