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

Find a regex pattern that matches the following string:
2013$7E12$7E08T11:29:33.244 [/INST] pattern:
\d{4}\$7E\d{2}\$7E\d{2}T\d{2}:\d{2}:\d{2}\.\d{3} </s>