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Old 12-18-2004, 06:53 PM   #2
vinyl-junkie
Purple Mole
 
Join Date: Jan 2004
Posts: 694
^ means the regular expression starts with the characters following it.

\. is escaping the period.

Putting this regular expression back together and interpreting it in English, it means:

An expression that begins with the characters "ad." (without the quotes), and is followed by one of the following words:
banner
banners
doubleclick
links
forum
affiliates

Expressed another way, it's looking for one of the following strings of characters:

ad.banner
ad.banners
ad.doubleclick
ad.links
ad.forum
ad.affiliates

Hope this helps.
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