package main
import (
"regexp"
"fmt"
)
func main() {
var re = regexp.MustCompile(`(?<=[=,])\s*[A-Za-z2]+(?=\()(?![^']*'!)`)
var str = `=VLOOKUP($A9,'Summary'!$A$10:$C$30,3,FALSE)
=IFERROR((C10/B10),"N/A")
=sum('New Chart =Data(Date)'!L70)
=IFERROR((C10/B10),Len(E30))`
for i, match := range re.FindAllString(str, -1) {
fmt.Println(match, "found at index", i)
}
}
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/