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

Find a regex pattern that matches the following string:
2020$5B04$5B25T16:50:19 [/INST] pattern:
\d{4}\$5B\d{2}\$5B\d{2}T\d{2}:\d{2}:\d{2} </s>