Or to minimize it one more character....

s/^(.{188})[^0]\d{7}(.{16})$/${1}20020101$2/'

Update: As the AM below notes, this does not solve the original question, just minimizes the previous poster's RE.

In reply to Re: Re: search and replace on a line by line basis by MidLifeXis
in thread search and replace on a line by line basis by Anonymous Monk

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