package main
import (
"regexp"
"fmt"
)
func main() {
var re = regexp.MustCompile(`(?m)(?<=key\s)\d+(?:\s*(?:,|and)\s*\d+)*`)
var str = `some text key 1, 2, 3 ,4 and 5. some other text dog 6, 7, 8, 9 and 10. some text`
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/