Simple calculator operation regex
Matches operations with two numbers separated by the operational characters (x, -, ÷, %) * the numbers can be negative* (can contain a - character before the number).
It also acepts decimal notation with not zero (0). Example: 0.89 and .89 are both accepted values
Acepted values example:
-3x+5.0...
Submitted by anonymous - 2 years ago