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

Find a regex pattern that matches the following string:
2015$2507$2507+15$7C47$7C35Z [/INST] pattern:
\d{4}\$25\d{2}\$25\d{2}\+\d{2}\$7C\d{2}\$7C\d{2}Z </s>