package main
import (
"regexp"
"fmt"
)
func main() {
var re = regexp.MustCompile(`(?m)^(?:(?:40\d[0-5]|[1-3]\d{3}|[1-9]\d?\d?|0),?\b){4}$`)
var str = `0,1,3,9
12,99,999,4095
99,999,3999,4095
1200,2500,2000,90
01,002,003,0
99,999,3999,4096
1200,2500,6500,90
`
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/