package main
import (
"regexp"
"fmt"
)
func main() {
var re = regexp.MustCompile(`(?m)^(?!.*\b(\d+)\b.*\b\1\b)\d+(?:,\d+)*$`)
var str = `123
123,1234
1,2,45,4567
12,2343,12
,123,3444
,3344
12,3,,344
23,`
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/