package main
import (
"regexp"
"fmt"
)
func main() {
var re = regexp.MustCompile(`(?m)((?:(?:gir)|(?:[a-pr-uwyz])(?:(?:[0-9](?:[a-hjkpstuw]|[0-9])?)|(?:[a-hk-y][0-9](?:[0-9]|[abehmnprv-y])?)))) ?([0-9][abd-hjlnp-uw-z]{2})`)
var str = `the postcode is g1 1rd`
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/