package main
import (
"regexp"
"fmt"
)
func main() {
var re = regexp.MustCompile(`(?m)^(([a-zA-Z]{2}-?\d{2}-?\d{2})|(\d{2}-?\d{2}-?[a-zA-Z]{2})|(\d{2}-?[a-zA-Z]{2}-?\d{2})|([a-zA-Z]{2}-?\d{2}-?[a-zA-Z]{2})|([a-zA-Z]{2}-?[a-zA-Z]{2}-?\d{2})|(\d{2}-?[a-zA-Z]{2}-?[a-zA-Z]{2})|(\d{2}-?[a-zA-Z]{3}-?\d{1})|(\d{1}-?[a-zA-Z]{3}-?\d{2})|([a-zA-Z]{2}-?\d{3}-?[a-zA-Z]{1})|([a-zA-Z]{1}-?\d{3}-?[a-zA-Z]{2})|([a-zA-Z]{3}-?\d{2}-?[a-zA-Z]{1})|([a-zA-Z]{1}-?\d{2}-?[a-zA-Z]{3})|(\d{1}-?[a-zA-Z]{2}-?\d{3})|(\d{3}-?[a-zA-Z]{2}-?\d{1}))$`)
var str = `xx-99-99
99-99-xx
99-xx-99
xx-99-xx
xx-xx-99
99-xx-xx
99-xxx-9
9-xxx-99
xx-999-x
x-999-xx
xxx-99-x
x-99-xxx
9-xx-999
999-xx-9`
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/