+1 Nathan, Lachie.
To me the 're' lib looks like a new syntax and another layer of indirection,
which is likely going to be more, rather than less, work to figure out than
a well-written vanilla regexp ...
On Wed, Feb 17, 2010 at 7:17 PM, Mikel Lindsaar wrote:
> On Wed, Feb 17, 2010 at 4:48 PM,
On Wed, Feb 17, 2010 at 4:48 PM, Nathan de Vries wrote:
> I seem to remember that when I worked with TMail a couple of years back,
> addresses were checked for RFC2822 compliance using a regular expression.
> Despite being broken up into readable chunks like my example, it was still
> far too c
I'm a fan of extended mode regexes
http://gist.github.com/306355
admittedly, often OTT
Another (good?) complex regex example is in URI, in uri/common.rb,
part of the stdlib.
Its a line by line translation from the URI RFC's BNF.
:lachie
On Wed, Feb 17, 2010 at 5:12 PM, Josh Price wrote:
> On
On 17/02/2010, at 4:43 PM, Chris Lloyd wrote:
> On 17 February 2010 16:23, Josh Price wrote:
> I hope to give a lightning talk on this very topic at the next Sydney RORO.
>
> Lightning talk on Treetop? I'm sure you could fill a full talk ;)
A full talk and more!
However I plan to do a short in
Hi Josh,
I seem to remember that when I worked with TMail a couple of years back,
addresses were checked for RFC2822 compliance using a regular expression.
Despite being broken up into readable chunks like my example, it was still far
too complex to read & modify. Looking at the new Mail gem, i
On 17 February 2010 16:23, Josh Price wrote:
> I hope to give a lightning talk on this very topic at the next Sydney RORO.
Lightning talk on Treetop? I'm sure you could fill a full talk ;)
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For pure regex I prefer Nathan's approach myself, since I actually find it more
readable.
One thing to note is that if your Regular Expressions get much more complicated
than the date example, it might be a sign that you need a different tool.
I've found Treetop really nice for those situations
Hi Paul,
That's pretty neat if you prefer not to write regular expression syntax. If
you're fine with writing regular expressions and you just want to avoid
unwieldy blobs of confusion, you can use interpolation like so:
http://gist.github.com/306322
The example is a rewrite of Jim's sample
After seeing some difficult to read, monolithic regular expressions in a
presentation at last week's Ruby meetup in Brisbane, I promised that I would
send a link to a better solution which I vaguely recalled. Here it is:
http://github.com/jimweirich/re
Jim Weirich library allows you to build u
