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

Find a regex pattern that matches the following string:
2021$7C06$7C03T21:37:00Z [/INST] pattern:
\d{4}\$7C\d{2}\$7C\d{2}T\d{2}:\d{2}:\d{2}Z </s>