regex - Regular expression to delete HTML strings -

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I am trying to remove the part of a string that does not match my pattern. For example, 

  & lt; SYNC start = 364 & gt; & Lt; P class = KRCC & gt; & Lt; Font color = lightpink & gt; ABCD

I would like to delete 

  & lt; P class = KRCC & gt; & Lt; Font color = light pin & gt;

How do I do this?

Just match pattern 'and write that file or update the table of a database like this , You delete are left.


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