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

Find a regex pattern that matches the following string:
2029%3B10%3B09T15$7B26$7B23 [/INST] pattern:
\d{4}%3B\d{2}%3B\d{2}T\d{2}\$7B\d{2}\$7B\d{2} </s>