[Mono-bugs] [Bug 474154] Regex.Match(string, int, int) behaves differently than Microsoft's implementation.

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http://bugzilla.novell.com/show_bug.cgi?id=474154

User nospam at aijk.org added comment
http://bugzilla.novell.com/show_bug.cgi?id=474154#c1


Ian Green <nospam at aijk.org> changed:

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                 CC|                            |nospam at aijk.org




--- Comment #1 from Ian Green <nospam at aijk.org>  2009-05-31 13:53:49 MDT ---
In case it helps, the difference in behaviour between 
  Regex.Match(target, offset)
and
  Regex.Match(target, offset, maxlength)

. is also noted by Jeff Friedl in his book "Regular Expressions" (3rd edition,
pages 421-2). As he says, the Microsoft documentation is atrocious, so it may
be unclear what Microsoft intended. Jeff's statement is:

"If you provide a maxlength argument, it puts matching into a special mode
where the maxlength characters starting offset characters into the target
string are taken as the entire target string, as far as the regex engine is
concerned." (i.e. confirming what David said above about Substring)

He also gives a couple of examples on page 422.

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