# [V], 36 bytes

<pre><code>.1-&gt;
uGYVH""pØHi, Retina! ü&#136;.*±
Ø^0$
</code></pre>

[Try it online!][TIO-jeysp22a]

[V]: https://github.com/DJMcMayhem/V
[TIO-jeysp22a]: https://tio.run/##K/v/X89Q146r1D0yzENJqeDwDI9MHYWg1JLMvERFhcN7DnXoaR3ayHV4RpyBCglKAQ "V – Try It Online"

**Satisfies:**

2. The first character is a `.`.
3. It contains an `e`.
4. Its length is even.
5. Its length is a perfect square.
6. It contains an `a`.
7. It contains a `>` character.
8. Contains the exact string `->`.
9. Contains the exact string `Hi, Retina!`.
10. The sum of the first two Unicode code points is a multiple of 5.
11. **The 10-th character is a `"`.**
12. The last line does not have any duplicate characters.

**For future answers:**

- The first character is a `.`.
- Its length is an even perfect square.
- Contains the exact sequence `->`.
- Contains the exact string `Hi, Retina!`.
- The second character's Unicode code point, mod 5, is 4.
- The 10-th character is a `"`.
- The last line does not have any duplicate characters.