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

Find a regex pattern that matches the following string:
2010$7D12$7D06T20$3C50$3C50.642Z [/INST] pattern:
\d{4}\$7D\d{2}\$7D\d{2}T\d{2}\$3C\d{2}\$3C\d{2}\.\d{3}Z </s>