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Fix an instance of "Polynomial regular expression used on uncontrolled data".

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David Anson 2022-01-22 22:20:41 -08:00
parent 4b7caf2a5b
commit 96699459d1
4 changed files with 12 additions and 5 deletions
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4
helpers/helpers.js
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@ -30,6 +30,10 @@ const emphasisMarkersRe = /[_*]/g;
const linkRe = /(\[(?:[^[\]]|\[[^\]]*\])*\])(\(\S*\)|\[\S*\])?/g;
module.exports.linkRe = linkRe;
// Regular expression for empty inline links
module.exports.emptyLinkRe =
/(?:|(?<![^[]))\[(?:[^[\]]?(?:\[[^[\]]*\])?)*\]\((?:|#|<>)\)/;
// Regular expression for link reference definition lines
module.exports.linkReferenceRe = /^ {0,3}\[[^\]]+]:\s.*$/;