sed: replace a certain pattern with an arbitrary string in between
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        Published on 2010-03-19T05:38:58Z
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            2010/03/19
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I'm trying to clean up a log file for better readability - there's a load of un-necessary stuff there to my needs - i basically have to replace sshd[xxxx] where xxxx is an arbitrary number with, well, either a space or nothing. While i can replace a known string, i have no idea how to do a sed wildcard in this case- So- how do i do that?
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