From: Martin DeMello <martindemello@...>
Date: 2003-09-27T14:48:18+09:00
Subject: Re: regexp needed to split letters from numbers

Thomas A. Reilly <w3gat@bellsouth.net> wrote:
> I would appreciate it if someone could give me the regexp that it would 
> split the following:
> for example -
> "clonidine300 mg"  into "clonidine 300 mg"
> 
> I have a bunch of drug data where the dose had been typed together.

Are you likely to have numbers in the drug's name? Don't forget to
include that as a test case if so. The following puts a space before the
string of digits immediately preceding " mg" if it doesn't already have
one:

sub(/(\w)(\d+ mg)/, "#{$1} #{$2}")

martin