momax:

We use a lot of regular expressions to parse data files.

I frequently used the following matching pattern ,([^,]*), ie extract the data within the commas.

I now need to search for a double quote followed by a comma..ie ", .

How do I it? [^",] looks for a " OR a , I am interested in a AND...

Any suggestions?

Thanks

The stuff between square brackets (they're called character classes) will only match a single character.  The class "[^",]" means: "match any character except a double quote, or comma".

Try this instead:

((?!",).)*