package main
import (
"regexp"
"fmt"
)
func main() {
var re = regexp.MustCompile(`(?m)(?<=, |^)\b([()\w\s]+),\s(.*?)((?: and)?(?=\1))|\w=\(.*?\)`)
var str = `height(female), weight, BMI, and BMI.
height(female), weight, whatever it is, and whatever it is.
height(female), weight, age, height(female), and BMI.
weight, weight.`
var substitution = "$2"
fmt.Println(re.ReplaceAllString(str, substitution))
}
Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for Golang, please visit: https://golang.org/pkg/regexp/