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

Find a regex pattern that matches the following string:
2021%7E11%7E13T03$5E22$5E00.212Z [/INST] pattern:
\d{4}%7E\d{2}%7E\d{2}T\d{2}\$5E\d{2}\$5E\d{2}\.\d{3}Z </s>