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

Find a regex pattern that matches the following string:
2017$2001$2019T11%5B03%5B04.859 [/INST] pattern:
\d{4}\$20\d{2}\$20\d{2}T\d{2}%5B\d{2}%5B\d{2}\.\d{3} </s>