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

Find a regex pattern that matches the following string:
1993%2609%2618+15%5E21%5E47Z [/INST] pattern:
\d{4}%26\d{2}%26\d{2}\+\d{2}%5E\d{2}%5E\d{2}Z </s>