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

Find a regex pattern that matches the following string:
1998$3F05$3F24+01:14:43.353 [/INST] pattern:
\d{4}\$3F\d{2}\$3F\d{2}\+\d{2}:\d{2}:\d{2}\.\d{3} </s>