s/ *(?:\d{4}-\d{2}-\d{2})/\r\n/g

Perhaps I'm missing something but doesn't that replace the date rather than inserting before the date? Perhaps make the date a capture and replace with \r\n$1?

Cheers,

JohnGG

In reply to Re^2: splitting cvs file without line breaks by johngg
in thread splitting cvs file without line breaks by rendier

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