There is comma followed by digits before "dates processed" 
2009-02-19 05:58:29,138 dates processed: 2009-02-18
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
dddd-dd-dd dd:dd:dd,ddd                : dddd-dd-dd
                   ^^^^
                   ||||

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In reply to Re: regex: extract multiple number of date patterns from certain lines by Anonymous Monk
in thread regex: extract multiple number of date patterns from certain lines by Random_Walk

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