Help with a regex pattern for finding addition equations that includes both negative numbers and decimals?

Question

I'm working on a basic Javascript calculator and everything runs as should, but I'm getting hung up on including both decimals and negative numbers in my regex. When testing, I can only match if both sides of the equation have at least 2 digits. Below is my regex, any insight would be greatly appreciated.

/-?\d+\.?\d[\d+]?[\+\-] -?\d+\.?\d+

Answer 1

Thanks for the response, it seemed to work in testing but still getting the same answer in my code So I'm assuming there's a problem somewhere else. Thanks again for the help, though!

Answer 2

(\-?)(\d+)(\.\d+)?([\+|\-])(\-?)(\d+)(\.\d+)?

i tested this one which works for equations like A+B and A-B where A,B e R.

groups:
0: whole equation
1: sign of A
2: integer part of A
3: float part of A (containing the dot)
4: operator
5: sign of B
6: integer part of B
7: float part of B (containing the dot)

hope this helps / is what you needed

ps: great name ;)