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

Find a regex pattern that matches the following string:
1998-03-01 07%7B17%7B07.314Z [/INST] pattern:
\d{4}\-\d{2}\-\d{2}\ \d{2}%7B\d{2}%7B\d{2}\.\d{3}Z </s>