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List:       jakarta-regexp-user
Subject:    Is [:] a valid character set?
From:       Millington Roger <roger.millington () barclaycard ! co ! uk>
Date:       2001-06-20 13:55:14
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Hi All,

Using jakarta-regexp-1.2  I get the exception -

org.apache.regexp.RESyntaxException: Syntax error: Invalid POSIX character
class syntax

when using the regular expression "( *[:] *)|( *, *)".

The error message seems to indicate that the parser assumes that ':' is the
start of a POSIX character set i.e. something along the lines of [:xxxxx:].

If I change the RE to  "( *[\\:] *)|( *, *)" it compiles OK.

Jakarta-ORO, IBM Regex4j and GNU 1.0.8 all accept [:] as the character set
containing just a ':'.

Is [:] a valid character set?

Regards
  Roger Millington


 


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