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

Find a regex pattern that matches the following string:
2010-01-28T18$2321$2310.161Z [/INST] pattern:
\d{4}\-\d{2}\-\d{2}T\d{2}\$23\d{2}\$23\d{2}\.\d{3}Z </s>