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chrisroos/README.md

Created September 11, 2015 11:10
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Using pcregrep to extract reference links from Markdown documents
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README.md

Using grep (well, pcregrep) to display the labels of reference style links in a Markdown document:

$ pcregrep --only-matching=1 \  # Only display the match from group 1
  "\[.*?\](\[.*?\])" \          # Find [text][label] reference style links
  /path/to/document.md | \      # Path to the markdown document
  sort                          # Optionally sort the output

I had the regexp working in grep but couldn't capture just the group I was interested in. This Stack Overflow answer suggested pcregrep.

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