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

Find a regex pattern that matches the following string:
2003%7E01%7E03+20:43:46Z [/INST] pattern:
\d{4}%7E\d{2}%7E\d{2}\+\d{2}:\d{2}:\d{2}Z </s>