How to remove dollar format with regex

Question

I am trying to remove the dollar format from the string \'$1,109,889.23\'. I tried using a regular expression with:

\"[^\\\\d]\" 

but then I ge

Answer 1

Since $ is a metacharacter in regex (it means "end of string" or "end of line", depending on the current settings), it needs to be escaped to \$. But why use a regex at all if it's just one fixed character?