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Grouping is an insanely powerful regex feature that is often underutilized. Sure, a lot of PHP developers know that if you wrap part of a pattern in '()' than you can pull that chunk out using preg_match and the optional $matches variable, but there's so much more you can do. Direct matching is just…
This post assumes advanced understanding of PHP and some object orientated knowledge.
In my last post, I outlined a basic class that compares addresses by distance. The class returns a sorted, filtered, or single best match from an array of addresses based on a single comparison address. However,…