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

Find a regex pattern that matches the following string:
1998$5C09$5C28T19:02:28.060Z [/INST] pattern:
\d{4}\$5C\d{2}\$5C\d{2}T\d{2}:\d{2}:\d{2}\.\d{3}Z </s>