m/^A.TL5
   ([EF]) # my match here
   00/x

##</code><code>##

s/^A.TL5
   ([EF]) # my match here
   00
   /
   NEW
   \s+
   {$1}   # replae here
   /x

##</code><code>##

s/^A.TL5
   ([EF]) # my match here
   00
   /NEW {$1}/x