I have this link [https://doi.org/10.1007/978-3-662-57715-8](https://doi.org/10.1007/978-3-662-57715-8) this converts to 
.
How should I disable this?
If you don’t need fractions anywhere on your site, you can set a configuration option: https://gohugo.io/content-management/formats/#blackfriday-options, see “fractions”.
But that’s pretty strange, I’d say a bug. URLs shouldn’t be parsed that way. Someone brought it up at https://github.com/russross/blackfriday/issues/386, but it wasn’t articulated well, so I’d try bumping that issue. 
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replace the text from hyperlink with normal text
[url](https://doi.org/10.1007/978-3-662-57715-8)