How to remove the edges of a string with a regular expression?

Question

.NET

All the best% time of day%. Given a line. For example, the Task to throw out and the end with one regular expression. That is, get the output . Is this possible, and what kind of mask is needed?
eval("document.getElementById('jslink')")
eval("")document.getElementById('jslink')

Answer 1

https://regex101.com/r/CcWmmx/1

Answer 2

I would suggest a more correct solution than the option from Stockholm Syndrome

eval\s*\(\s*(?|"([^"\\\\]*(?:\\\\.[^"\\\\]*)*)"|'([^'\\\\]*(?:\\\\.[^'\\\\]*)*)')\s*\)