<?php
 
$string = "J U D G M E T  J U D E M E N T  JUDGEMENT  J U D G M F N T  J U D G NE N T  J U D G N E N T  
J U D G M E N FT  J U D G M E T  J U N C M E N T  J U D G M E F T  J U G M E N T  J U D G E M E N T  
J U D E M E N T  J U D G R E N T  J U D G E N T  J U E G M E N T  J U D G M E M T  J u d g m e n T  JUDGMEAT  JUGMENT JUT";
 
$regex = '~\bJ\h?(?:[a-z]\h?)+T\b~i';
 
$word = "JUDGEMENT";
 
$string = preg_replace_callback(
	$regex,
	function($match) use ($word) {
		$word2 = strtoupper(str_replace(' ', '', $match[0]));
 
		if (levenshtein($word, $word2) <= 2)
			return $word;
		else
			return $match[0]; // leave it
 
	},
	$string);
 
echo $string;
?>

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