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Comment: Re:Ought to bring down ... (Score 2) 151 151

Knowing where speed traps are would make them 100% effective. The point is to reduce speeding and no one will speed if they know there is a trap on the road, no one gets a ticket and the road becomes safer. The only way in which the trap is ineffective is that it doesn't generate any cash for the department.

egrep patterns are full regular expressions; it uses a fast deterministic algorithm that sometimes needs exponential space. -- unix manuals

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