Perl regex: indent/add words after matching keyword in a string? -


I am indenting text using a regex before and after a word in a string?

I have the following string 

  This is some keyboard fill text   
 and I want to convert it to:  
  This is something & lt; * & Gt; KEYWORD & lt; * & Gt; Full text    
 
 
 A literal interpretation will be:  
  S / (KEYWORD) / & lt; * & Gt; $ 1 & lt; * & Gt; / G

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