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

Find a regex pattern that matches the following string:
1996%7D10%7D12 04$7D51$7D31.166 [/INST] pattern:
\d{4}%7D\d{2}%7D\d{2}\ \d{2}\$7D\d{2}\$7D\d{2}\.\d{3} </s>