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

Find a regex pattern that matches the following string:
1998$2302$2303T11$7C22$7C16Z [/INST] pattern:
\d{4}\$23\d{2}\$23\d{2}T\d{2}\$7C\d{2}\$7C\d{2}Z </s>