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

Find a regex pattern that matches the following string:
2000$3F03$3F07T00$5F46$5F14.919 [/INST] pattern:
\d{4}\$3F\d{2}\$3F\d{2}T\d{2}\$5F\d{2}\$5F\d{2}\.\d{3} </s>