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From Gary Gregory <garydgreg...@gmail.com>
Subject Re: Anyone interested in regular expressions, again?
Date Mon, 02 Feb 2015 14:05:07 GMT
On Sun, Feb 1, 2015 at 5:35 PM, James Carman <james@carmanconsulting.com>
wrote:

> To be clear, I am not advocating this approach.  I was merely trying to
> illustrate what a nightmare such an endeavor would be. :)
>
> On Sunday, February 1, 2015, James Carman <james@carmanconsulting.com>
> wrote:
>
> > You would basically have to pick a canonical regex language if you want a
> > facade and be able to swap the regex library out.  Most of them are very
> > similar but they are not the same.
>

I would not need a canonical regex language. This could be like JDBC where
implementations vary.

Gary

>
> > On Sunday, February 1, 2015, Gary Gregory <garydgregory@gmail.com
> > <javascript:_e(%7B%7D,'cvml','garydgregory@gmail.com');>> wrote:
> >
> >> I think we'll need some clear performance advantages documented as well
> as
> >> any compatibility issues.
> >>
> >> This begs for a facade API IMO. I would not want to recode my app just
> to
> >> test one vs. the other, it should be pluggable.
> >>
> >> Gary
> >>
> >> On Sat, Jan 31, 2015 at 10:58 AM, Benson Margulies <
> bimargulies@gmail.com
> >> >
> >> wrote:
> >>
> >> > So, once upon a time, there was a regex library here. It was retired,
> >> > presumably on the grounds that it was rendered obsolete by the JRE's
> >> > native support.
> >> >
> >> > However, the JRE's regular expressions have a pretty severe problem;
> >> > they have unbounded (or at least, very, very, bad) execution time for
> >> > some combinations of data and regex.
> >> >
> >> > To cope with this, we ported the Henry Spencer regular expression
> >> > library (as found in TCL) from C to Java.
> >> >
> >> > Thus: https://github.com/basis-technology-corp/tcl-regex-java
> >> >
> >> > Is anyone interested in this? Give or take the possible IP muddle of
> >> > the original C Code, I could grant it easily.
> >> >
> >> > ---------------------------------------------------------------------
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> >> > For additional commands, e-mail: dev-help@commons.apache.org
> >> >
> >> >
> >>
> >>
> >> --
> >> E-Mail: garydgregory@gmail.com | ggregory@apache.org
> >> Java Persistence with Hibernate, Second Edition
> >> <http://www.manning.com/bauer3/>
> >> JUnit in Action, Second Edition <http://www.manning.com/tahchiev/>
> >> Spring Batch in Action <http://www.manning.com/templier/>
> >> Blog: http://garygregory.wordpress.com
> >> Home: http://garygregory.com/
> >> Tweet! http://twitter.com/GaryGregory
> >>
> >
>



-- 
E-Mail: garydgregory@gmail.com | ggregory@apache.org
Java Persistence with Hibernate, Second Edition
<http://www.manning.com/bauer3/>
JUnit in Action, Second Edition <http://www.manning.com/tahchiev/>
Spring Batch in Action <http://www.manning.com/templier/>
Blog: http://garygregory.wordpress.com
Home: http://garygregory.com/
Tweet! http://twitter.com/GaryGregory

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