cotehaus/grammar_makeup/grammar_pattern_b-a-repeat_c.sed

# Given this pattern "b {a} c" puts this replacement "b {a} c |||| aList. Run with sed -n
#s/.*\(\(\b.\{4,\}\)\s*{\(.*\2.*\)}\).*/\1 \2List/p
s/.*[^']{\(.*[^']\)}.*/& |||| \1List/p