package main
import (
"regexp"
"fmt"
)
func main() {
var re = regexp.MustCompile(`(?m)(?<![^\s\n])\d{3}[./]\d{3,6}(?:/\d{3})?(?![^\s\n])`)
var str = `Codes like 123/456
123/3456
123/23456
etc are correct
lorem\123/456 `
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/