split is your friend. Introducing a capture group in its regex adds the captured separators to the result, but it also adds undefs when the other alternative matches, so you need grep to filter them out. 
my @array = grep defined, split / ([|&]) |\n/, $str;

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($q=q:Sq=~/;[c](.)(.)/;chr(-||-|5+lengthSq)`"S|oS2"`map{chr |+ord
}map{substrSq`S_+|`|}3E|-|`7**2-3:)=~y+S|`+$1,++print+eval$q,q,a,

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In reply to Re: Regex : Return match elements by choroba
in thread Regex : Return match elements by ravi45722

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