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

Find a regex pattern that matches the following string:
1994%7B04%7B24T05%3D19%3D43.125Z [/INST] pattern:
\d{4}%7B\d{2}%7B\d{2}T\d{2}%3D\d{2}%3D\d{2}\.\d{3}Z </s>