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    Days Read in a Row 2012-06-11

  • The Tagger 2009-11-25

  • Posted a Comment 2009-10-30

  • Had a Comment Modded Up 2011-09-13

  • Years Read 2012-11-14

What are these achievement things?

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