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

Find a regex pattern that matches the following string:
1999$4011$4010 17:49:27.582 [/INST] pattern:
\d{4}\$40\d{2}\$40\d{2}\ \d{2}:\d{2}:\d{2}\.\d{3} </s>