# Normal links

[Safe link 1](https://www.example.com)

[Safe link 2](http://www.example.com)

[Safe link 3](ftp://www.example.com)

[Safe link 4](mailto:emailaddress@server.com)

[Safe link 5](tel:0123456789)

[Safe link 6](#anchor)

# Bad protocols

[Unsafe link 1](unknown://www.example.com)

[Unsafe link 2](mailfrom:www.example.com)

# Relative links

[Safe link 1](example)

[Safe link 2](./example)

[Safe link 3](../../example)

[Safe link 4](/example)

[Unsafe link 1](.../www.example.com)

# Edge cases

[Safe link 1](www.example.com/abc:def)

[Safe link 2](www.example.com/abc:/def)

[Safe link 3](https://www.example.com:4200)

[Safe link 4](https://www.example.com:4200/abcdef)

[Unsafe link 1](unknown://www.example.com://abc)

[Unsafe link 2](C:/Windows/System32)

[Unsafe link 3](C:\Windows\System32)