Jeff,
What needs to be changed in /(-?\d+\.?\d*)/ so that it also see number like .59?
This is why I like to recommend Regexp::Common. But...
Here is an example from Jeffrey Friedl's, "Mastering Regular Expressions":
/-?([0-9]+(\.[0-9]*)?|\.[0-9]+)/
perlified:
/-?(?:\d+(?:\.\d*)?|\.\d+)/
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