regex-empty-conditional-comments2.0.1
Regular expression for matching HTML empty conditional comments
Quick Take
import { strict as assert } from "assert";
import { emptyCondCommentRegex } from "regex-empty-conditional-comments";
// empty comment which was meant to target Outlook-only
assert.equal(
emptyCondCommentRegex().test(`<!--[if !mso]>
<![endif]-->`),
true
);
// empty comment which was meant to target non-Outlook-only
assert.equal(
emptyCondCommentRegex().test(`<!--[if !mso]><!-- -->
<!--<![endif]-->`),
true
);
assert.equal(
emptyCondCommentRegex().test(`<!--[if !mso]><!-- -->
<meta http-equiv="X-UA-Compatible" content="IE=edge" />
<!--<![endif]-->`),
false
);
assert.equal(
emptyCondCommentRegex()
.test(`<!--[if gte mso 9]><xml>
<o:OfficeDocumentSettings>
<o:AllowPNG/>
<o:PixelsPerInch>96</o:PixelsPerInch>
</o:OfficeDocumentSettings>
</xml><![endif]-->`),
false
);
assert.equal(
emptyCondCommentRegex().exec(
"<html><!--[if !mso]><![endif]--><title>"
)[0],
"<!--[if !mso]><![endif]-->"
);
assert.deepEqual(
`<html> <!--[if !mso]><![endif]--> <title>text</title> <!--[if gte mso 9]>
<xml>
<![endif]-->`.match(emptyCondCommentRegex()),
["<!--[if !mso]><![endif]-->"]
);
API
emptyCondCommentRegex()
In other words, it's a function which returns a RegExp object.
Changelog
See it in the monorepo , on GitHub.
Contributing
To report bugs or request features or assistance, raise an issue on GitHub .
Any code contributions welcome! All Pull Requests will be dealt promptly.
Licence
Copyright © 2010–2021 Roy Revelt and other contributors
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