As part of an anti-spam filter I am using a content filter. There is one type of content that only occurs in spam that I would like to use as a trigger for a quick trip to the bit bucket. 
asked me about a n<KRRAXH>ew home purcha</SZLNG>se.

[download]
I have been working with various regex trying to detect this string. Unfortunately everything I've come up with also triggers some legitimate html and legit XML.

Anyone know of an obvious regex I've missed or perhaps an existing module that can handle this type of expression without false positives?

Thanks.
p.s. I did not want to muddy the waters by posting my unsuccessful code. If anyone needs to know how not to do this right, then I'm your man. :-)

In reply to regex help or pointer to module needed by Xxaxx

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