[Preston] Regular expressions: Topic for the June Meeting

[Georgina Joyce]

Hi

Cool!  Just what I've been waiting for!  Thanks.
On Sun, 2008-06-01 at 22:21 +0100, Guy Heatley wrote:
> Hello!
> I'm pleased to announce that Dr John McMullin will be giving us the 
> benefit of his expertise in the field of regular expressions at the PLUG 
> meeting on Tuesday.
> 
> Regular expressions are a shorthand way of telling a computer program to 
> match certain patterns. They are useful in the field of text processing 
> (e.g. validating user input on web forms) and also in software like 
> compilers where high-level code must be transformed into machine code. 
> The lexical analyser looks for patterns in the code the programmer 
> writes in order to process it. e.g keywords, variable names, correct 
> syntax etc.
> 
> So, if you fancy a little pattern matching, and you would like to know 
> why this gibberish matches email addresses (on a case insensitive match 
> of course):-
> \b[A-Z0-9._%+-]+@[A-Z0-9.-]+\.[A-Z]{2,4}\b
> 
> come along on Tuesday evening, 7:30pm Room CM018 at the UCLAn C&T Building
> 
> Drinks afterwards in the Greyfriar, Friargate.
> 
> Cheers!
> _______________________________________________
> Preston mailing list
> Preston at mailman.lug.org.uk
> https://mailman.lug.org.uk/mailman/listinfo/preston
-- 
Gena

http://www.ready2golinux.com

M0EBP