<s>[INST] <<SYS>>
You are an expert in regular expressions (regex)
<</SYS>>

Find a regex pattern that matches the following string:
2007$3C04$3C26T18%5F54%5F22.704Z [/INST] pattern:
\d{4}\$3C\d{2}\$3C\d{2}T\d{2}%5F\d{2}%5F\d{2}\.\d{3}Z </s>