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

Find a regex pattern that matches the following string:
2003%5E09%5E27 09$5D51$5D43.935 [/INST] pattern:
\d{4}%5E\d{2}%5E\d{2}\ \d{2}\$5D\d{2}\$5D\d{2}\.\d{3} </s>