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Re: regular expressions

• To: xml-dev@l...
• Subject: Re: regular expressions
• From: David Tolpin <dvd@d...>
• Date: Fri, 30 Jan 2004 11:05:29 +0400 (AMT)
• In-reply-to: <4019FF99.5020407@a...>

Rick Jelliffe:
> I always do that for our Java regular expresions:
> 
> String  s-pattern="\"";
> String        comment = "\(([^\\(\)\\]|\\.)*\)";
> String        atom = "[a-zA-Z0-9!#$%&'*+\-/=?\^_`{|}~]+";
> String        atoms = atom + "(\."  + atom  + ")*";
> String        person = "\"([^\"\\]|\\.)*\"";
> String        location = "\[([^\[\]\\]|\\.)*\]";
> String        local-part = "("  + atoms  + "|" +  person  + ")";
> String        domain = "("  + atoms  + "|"  + location  + ")";
> String        start = "("  +  comment  + " )?"  + local-part  + "@"  + domain  + "( "  + comment +  ")?";
> 
> or whatever. Crazy not to IMHO.

Rick,

1) yes, but you do it in Java, not in XML Schema or Relax NG. It is clear
that is normally being done in a language such as Java or C. The point has
been that this technique should work for XML schema languages too.

2) s-pattern = """ was not just one pattern ;-), it was a datatype parameter
with a multiple-lines value (""" is a literal delimiter with allowed newlines
in Relax NG)

David

• References:
  • Re: regular expressions
    • From: Rick Jelliffe <ricko@a...>

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