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Jakarta regular expression projects

 
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Jakarta has at least two regular expression projects:
Regexp http://jakarta.apache.org/regexp/index.html
and
ORO
http://jakarta.apache.org/oro/index.html
I understand that ORO can also handle AWT like syntax. But nevertheless, their applications are large overlapped. Now, the JDk 1.4 has its own standard regular expression package.
Can anyone tell me where the Jakarta regular expression projects are going? Is there any effort to create an all-in-one regular expression package?
 
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Hi Michael,
How does Regex and ORO help us?
 
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We have many regular expression packages partly because there are different dialects of regular expression(just like A English and B English). Their syntax is not the same. So we have options. Being a Java developer, I prefer Regexp though I have not tried JDK1.4 package.
Just my 2 cents.
 
Michael Yuan
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OK, I guess Jakarta Regexp and ORO do provide some "dialects" the standard JDK 1.4 package does not provide. But still, for most applications, Perl5 regular expressions are more than enough.
Has anyone done a performance coparison for those packages?
 
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