package main
import (
"regexp"
"fmt"
)
func main() {
var re = regexp.MustCompile(`^(?:(?:\d{4}) (?:\d{3}) (?:\d{3})|(?:\d{2}) (?:\d{2}) (?:\d{2})|(?:\d{2}) (?:\d{4}) (?:\d{4})|(?:\d{4}) (?:\d{4}))$`)
var str = `02 1234 5678
0412 345 678
1800 123 456
1300 123 456
13 12 34
1900 123 456
1902 123 456
1234 5678
02 25 45
`
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/