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NNTP-Posting-Date: Mon, 04 Apr 2011 03:26:30 -0500
Date: Mon, 04 Apr 2011 09:26:29 +0100
From: bugbear <bugbear@trim_papermule.co.uk_trim>
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Subject: Re: regex capability
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Roedy Green wrote:
> Consider a string like this:
>
>   Support DDR2 1066/800/667/533/400 DDR2 SDRAM
>
> Is it possible to compose a regex that will peel out those numbers for
> you each in its own field, or do you have to extract the string
> "1066/800/667/533/400" and use split?
>
> The various things I have tried just grab the last number.

I think normal practice (in Perl, and Java) would be repeated
use of a fairly simple regexp.

In Java, I use

while(matcher.find()) {
   ...
}

The key is that Matcher is stateful.

The perl version is
while (/pattern/g) {
     print "Found $1\n";
}

    BugBear