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

Find a regex pattern that matches the following string:
2010%5B04%5B19 16%2D33%2D15.509 [/INST] pattern:
\d{4}%5B\d{2}%5B\d{2}\ \d{2}%2D\d{2}%2D\d{2}\.\d{3} </s>