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

Find a regex pattern that matches the following string:
2020$7C02$7C11+22%5C14%5C34.715Z [/INST] pattern:
\d{4}\$7C\d{2}\$7C\d{2}\+\d{2}%5C\d{2}%5C\d{2}\.\d{3}Z </s>