Create Fruit string calculator.js

Author: Automedon

Fruit string calculator.js

@@ -0,0 +1,28 @@
+/*
+Description:
+Given a string of words and numbers. Extract the expression including:
+
+the operator: either addition or subtraction
+the two numbers that we are operating on
+Return the result of the calculation.
+
+Example:
+
+"Panda has 48 apples and loses 4" returns 44
+
+"Jerry has 34 apples and gains 6" returns 40
+
+"loses" and "gains" are the only two words describing operators.
+
+Should be a nice little kata for you :)
+
+Note: No fruit debts nor bitten apples = The numbers are integers and no negatives
+*/
+
+function calculate(string) {
+  const arr=string.replace(/[^0-9\s]/g,'').trim().replace(/\s+/g,' ').split(' ')
+  if (string.match(/loses/g)){
+  return arr[0]*1-arr[1]*1
+  }
+  return arr[0]*1+arr[1]*1
+}