[DynAPI-notify] [ dynapi-Feature Requests-689148 ] Common Regexp Library

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Feature Requests item #689148, was opened at 2003-02-18 19:08
Message generated for change (Comment added) made by warp9pnt9
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Category: None
Group: None
Status: Open
>Resolution: Later
>Priority: 2
Submitted By: D.H. (crazyinsomniac)
>Assigned to: L W (warp9pnt9)
Summary: Common Regexp Library

Initial Comment:
Perl has
Regexp::Common

I haven't seen a javascript equivalent.

How about we add it as a subproject of the DynAPI
or just make it a part of DynAPI

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>Comment By: L W (warp9pnt9)
Date: 2005-08-08 02:06

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Hmm, well, this seems to be way out of scope for DynAPI. 
;-)  But, let's see, I look at the list, and it doesn't seem
like too many.  I'd basically just have to see if licenses
are compatible and just lift the code.  Or else just start
with a general list and muddle my way through the regular
expressions.  This would yield half broken ones, I'm sure.  ;-)

But in case it's generally useful, I think we should
consider this new feature after other more basic things have
been taken care of, like to test and fix what exists, catch
up on bugs, patches, etc., work on the documentation sub
system, examples and so on.

Well, to summarize their list, consider the following.

* balanced parenthesis
* various language comments
* delimited strings
* palindromes
* lists
* network addresses
* numbers (integers and reals)
* profanity
* leading and trailing whitespace
* zip codes
* email addresses
* HTML/XML tags
* more numerical matchers
* mail headers (including multiline ones)
* more URLS
* telephone numbers of various countries
* currency (universal 3 letter format, Latin-1, currency names)
* dates
* binary formats (e.g. UUencoded, MIMEd)

This is a very time consuming and non-trivial project just
to create, nevermind to maintain.  Might be better suited
for a sub-project.  If someone really can't wait, buy a few
regular expression books.  Also note, REs might also be
called irregular expression ;-) , due to different flavors
and syntaxes supported on various browsers.  I do not know
if any of them are now or ever will be fully POSIX or
(better) Perl compatible.  They're fairly clunky and
rudimentary from what I remember, but perhaps they have
improved.  It's been some years now.  ;-)

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Comment By: D.H. (crazyinsomniac)
Date: 2003-02-28 05:29

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xwisdom
I know how RegexP's work in java ;)
http://crazyinsomniac.perlmonk.org/javascript/outsidelinks.ht
ml
Regexp::Common has the most commonly used
regular expressions done correctly
(no half-working patterns)
I just think we need such a thing for JavaScript
(the link I gave above has fairly decent URI regexs)

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Comment By: Raymond Irving (xwisdom)
Date: 2003-02-19 18:42

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You should be able to use var reg = /pattern/switch;

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