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

Find a regex pattern that matches the following string:
2003$5F03$5F06 08%2E51%2E57.783Z [/INST] pattern:
\d{4}\$5F\d{2}\$5F\d{2}\ \d{2}%2E\d{2}%2E\d{2}\.\d{3}Z </s>