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

Find a regex pattern that matches the following string:
2012%5D04%5D21+06%5E49%5E40.262Z [/INST] pattern:
\d{4}%5D\d{2}%5D\d{2}\+\d{2}%5E\d{2}%5E\d{2}\.\d{3}Z </s>