# Registering X
## 300

Do you have your ex's registered?

Author: SVM

file:`chal.txt`

# Solution

chal.txt that is given to us contains the following:
```
Here's a regex 4 u. Match it if you can...

infernoCTF{.(?<=H){21}.[a-z](?<=\+a){1024}[a-z][a-j](?

Original writeup (https://github.com/ioncodes/excusemewtf/tree/master/infernoCTF/2019/Misc/Registering%20X).