RE: Extract number from character field(Perl syntax)

[Joel Fritz <JFritz@xxxxxxxxxxxxxxxx>]

Doug,

You're right, of course. The Perl example shows that Perl notation is very
different from anything I've seen with the possible exception of the format
stuff used with printf() or C++ io manipulators.

I think I'm going to have to bracket statements like the one I made in
<facetious> </facetious> tags.  
> -----Original Message-----
> From: dhandy@isgroup.net [mailto:dhandy@isgroup.net]
> Sent: Monday, November 08, 1999 12:01 PM
> To: MIDRANGE-L@midrange.com
> Subject: Re: Extract number from character field(Perl syntax)
> 
> 
> Joel,
> 
> Hans said:
> >> >>      @nums = $str =~ /\d+/g;
>  
> >> Believe it or not, that code is clear as a bell to a
> >> typical Perl programmer!
> 
> Joel said:
> >No offense, Hans, but what does this say about the "typical Perl
> >programmer?"
> 
> It says that the typical Perl programmer has a different background
> than the typical RPG programmer.  Most RPG programmers have no idea
> what a "regular expression" is, and why they so useful.
> 
> But show a Perl programmer a RPG program using the cycle and no calcs,
> and they may be equally mystified as to what it does.  Especially if
> it uses matching records. <g>  Heck, even RPG programmers seem
> mystified by it. <gd&r>
> 
> Regular expressions are *very* powerful when it comes to text parsing,
> pattern matching, etc.  The example was actually a very simple regular
> expression -- you should see some of them.  But what you can
> accomplish with one pattern match is nearly unfathomable to an RPG
> programmer.
> 
> Doug
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