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

Find a regex pattern that matches the following string:
2003%5B05%5B09T14%2514%2525Z [/INST] pattern:
\d{4}%5B\d{2}%5B\d{2}T\d{2}%25\d{2}%25\d{2}Z </s>