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[Aaron Jackson]

On Feb 13, 2005, at 4:28 PM, Alain Schremmer wrote:

> It can matter—a bit: Say you were writing about three "occurrences" of 
> something and that you wanted to index "occurence".
> But this is really a shortcoming of NewTerm.
> I think that there are a couple of occurences of this in my book but I 
> will change the wording around it as I come across them (in one of my 
> many rereads).
>
> What I am curious about is what the difference is between (.+?) and 
> [^}]* (I assume that this is to allow the reference \1.)
>
> find
> \\textbf{(.+?)}\\index{\1}
> replace with
> \\NewTerm{\1}"
> and
>
> find
> \\textbf{[^}]*}\\index{
> replace with:
> \\NewTerm{
>

The first one says to match the characters "\textbf{" then one or more
characters in non-greedy mode followed by a "}".  You need the match to
be non-greedy since {.+} on the string "\textfb{junk}\index{more
junk}" would match "junk}\index{more junk", not just "junk".

The second one says to match the characters "\textbf{" then zero or
more characters that are not a "}" followed by a "}".

I suppose that there are subtle differences between the two that
could cause problems in special cases, but both should be functionally 
the
same for the most part.  I personally use the second form (you only
have to get burned by a greedy match once to understand why).

Aaron

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