package main
import (
"regexp"
"fmt"
)
func main() {
var re = regexp.MustCompile(`(?m)(20[0-9]{0,2})[\-_]?([01]?[0-9])[\-_]?([0123]?[0-9])`)
var str = `2017-01-01
2018-05-15-project1.backup.tar
projekt2-2018-05-15.tgz.part01.enc
projekt3-20170913.tar.gz
projekt3-2017_09_13.tar.gz`
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/