access vba replace vblf's with vbcrlf's

Lets s开发者_如何转开发ay for example my table name is "thistablelf" and the column where I want to replace all the vblf occurances is called "vblftovbcrlf".

How do I replace all occurances of vblf's to vbcrlf's?

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IIRC the vb* constants dont work in Access SQL so how about;

UPDATE thistablelf 
  SET vblftovbcrlf = replace([vblftovbcrlf],Chr(13),Chr(13) & Chr(10));