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  1. or download this
    Open FH,’file.txt’;
                   while (<$FH>) {
    ...
                  {$Name=~ s/$//g;}
                $arr[$i]=~ s/$Name_pre/$Name/g;
    
  2. or download this
    fg-&amp;amp;&amp;+(and(we-
    
  3. or download this
      $arr[$i]=~ s/$Name_pre/$Name/g;
    
  4. or download this
    Unmatched ( in regex; marked by <-- HERE in m/fg-&amp;amp;&amp;+(and( 
    +<-- HERE we-
    /