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

Find a regex pattern that matches the following string:
2007$7C05$7C31+10:30:01.299 [/INST] pattern:
\d{4}\$7C\d{2}\$7C\d{2}\+\d{2}:\d{2}:\d{2}\.\d{3} </s>