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

Find a regex pattern that matches the following string:
1996%2D08%2D20+01:04:40.515 [/INST] pattern:
\d{4}%2D\d{2}%2D\d{2}\+\d{2}:\d{2}:\d{2}\.\d{3} </s>