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Comment on The true power of regular expressions (2012)

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This is a great article.

I recently tried converting Org-mode files to html with sed and hit a block pretty soon -- sed's extended regex doesn't account for newline characters. That led to me abandoning the project, because even though I had it down 90%, I couldn't make code blocks free from being interpreted as regular org syntax. With PCRE it would have been much easier.

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