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

Find a regex pattern that matches the following string:
2017%2607%2623T22$2E43$2E06Z [/INST] pattern:
\d{4}%26\d{2}%26\d{2}T\d{2}\$2E\d{2}\$2E\d{2}Z </s>