[Bro-Dev] #26: case insensitive regular expressions

Bro Tracker bro at tracker.bro-ids.org
Sat Sep 22 23:29:54 PDT 2012

#26: case insensitive regular expressions
  Reporter:  vern             |      Owner:
      Type:  Feature Request  |     Status:  seen
  Priority:  Normal           |  Milestone:  Bro2.2
 Component:  Bro              |    Version:
Resolution:                   |   Keywords:

Comment (by vern):

 The approach of expanding like this will often work fine, but there are
 cases where it needs extra work for strict correctness.  For example,
 consider [5-M] - this needs to become [5- at A-Ma-m], presumably.  While such
 a character class range likely will almost never be used, if we care about
 the behavior being fully solid, we need to address it.  (Hmmm, and uglier
 would be [5-a].  This includes A-Z within it; does it now include a-z

 There's also a lingering ugliness concerning the definition of case
 sensitivity for non-ASCII character sets, though presumably we don't want
 to go there regardless ...

Ticket URL: <http://tracker.bro-ids.org/bro/ticket/26#comment:13>
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