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

Find a regex pattern that matches the following string:
2007%2F10%2F15 12:22:29 [/INST] pattern:
\d{4}%2F\d{2}%2F\d{2}\ \d{2}:\d{2}:\d{2} </s>