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

Find a regex pattern that matches the following string:
2011%3A06%3A20+09%6017%6021Z [/INST] pattern:
\d{4}%3A\d{2}%3A\d{2}\+\d{2}%60\d{2}%60\d{2}Z </s>