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

Find a regex pattern that matches the following string:
1999%2D04%2D09T08:49:10.916Z [/INST] pattern:
\d{4}%2D\d{2}%2D\d{2}T\d{2}:\d{2}:\d{2}\.\d{3}Z </s>