$string ='ab23cdefgXX(3A5)XXhijkl23mnXX(3)XXopq432rsXX(450b)XXtuv';
$count=0;
while($string =~ m/XX/g)
{
   $count++;
}
print $count;;
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I wrote it . I have given program above . i want to know the repeatation number without using while loop