package main
import (
"regexp"
"fmt"
)
func main() {
var re = regexp.MustCompile(`(?m)^(?!(?:^|.*,)([^,\n]*),.*\1(?:,|$)).*$`)
var str = `value1,value2,value2,va-lu4,value 6
value1,value2,value3,va-lu4,value 6,value1
value1,value2,value3,va-lu4,value 6
value1,value1,value8,va-lu4,value 6
value1,value2,value8,va-lu4,value 6
value1,value2,value3,va-lu4,value 6,value 6`
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/