s/[^bc]+      # Any characters that aren't a 'b' or an 'c'.
 |b(?!ook)    # Or a 'b' which doesn't start a 'book'.
 |c(?!over)   # Or a 'c' which doesn't start a 'cover'.
 /gsx;

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In reply to Re: regexp everything except by Anonymous Monk
in thread regexp everything except by Murcia

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