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Feb 27th, 2017
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  1. echo "foo 'bar'" | grep -oE "'([^']+)'"
  2.  
  3. echo "foo 'bar'" | sed -E "s/.*'([^']+)'.*/\1/"
  4.  
  5. sed "s/.*'([^']+)'.*/1/"
  6.  
  7. sed -n "s/.*'([^']+)'.*/1/p"
  8.  
  9. $ echo "foo 'bar'" | grep -oP "'K[^']+(?=')"
  10. bar
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