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

Find a regex pattern that matches the following string:
1994%5C02%5C22T23$3E33$3E11.399Z [/INST] pattern:
\d{4}%5C\d{2}%5C\d{2}T\d{2}\$3E\d{2}\$3E\d{2}\.\d{3}Z </s>