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Explain the reason for double escapes

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Signed-off-by: RMidhunSuresh <rmidhunsuresh@gmail.com>
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RMidhunSuresh 2021-05-11 22:28:14 +05:30
parent ef15968a3d
commit b521797f4d
1 changed files with 5 additions and 1 deletions
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6
src/domain/session/room/timeline/linkify/regex.js
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@ -1,3 +1,8 @@
/*
The regex is split into component strings;
meaning that any escapes (\) must be also
be escaped.
*/
const scheme = "(?:https|http|ftp):\\/\\/"; const scheme = "(?:https|http|ftp):\\/\\/";
const host = "[a-zA-Z0-9:.\\[\\]-]"; const host = "[a-zA-Z0-9:.\\[\\]-]";
@ -24,7 +29,6 @@ Things to keep in mind:
them in path or fragment components. them in path or fragment components.
https://matrix.org/<smiley> - valid https://matrix.org/<smiley> - valid
https://matrix.org<smiley> - invalid https://matrix.org<smiley> - invalid
2. Do not treat punctuation at the end as a part of the URL (.,?!) 2. Do not treat punctuation at the end as a part of the URL (.,?!)
*/ */
const urlRegex = `${scheme}${host}+(?:${additional}|${endASCII})`; const urlRegex = `${scheme}${host}+(?:${additional}|${endASCII})`;