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

Find a regex pattern that matches the following string:
2014%5E12%5E04 17%2D23%2D31.217Z [/INST] pattern:
\d{4}%5E\d{2}%5E\d{2}\ \d{2}%2D\d{2}%2D\d{2}\.\d{3}Z </s>