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

Find a regex pattern that matches the following string:
2012%2006%2002+08$2B08$2B03 [/INST] pattern:
\d{4}%20\d{2}%20\d{2}\+\d{2}\$2B\d{2}\$2B\d{2} </s>