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

Find a regex pattern that matches the following string:
2014-03-13T01:34:37.664Z [/INST] pattern:
\d{4}\-\d{2}\-\d{2}T\d{2}:\d{2}:\d{2}\.\d{3}Z </s>