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

Find a regex pattern that matches the following string:
2015$5D11$5D11T13$3F49$3F41.712 [/INST] pattern:
\d{4}\$5D\d{2}\$5D\d{2}T\d{2}\$3F\d{2}\$3F\d{2}\.\d{3} </s>