package main
import (
"regexp"
"fmt"
)
func main() {
var re = regexp.MustCompile(`(?m)^
(?:
(?:(?=\D*\d)(?=[^a-z]*[a-z]))
|
(?:(?=\D*\d)(?=[^!?€%&]*[!?€%&]))
|
(?:(?=\D*\d)(?=[^A-Z]*[A-Z]))
|
(?:(?=[^a-z]*[a-z])(?=[^!?€%&]*[!?€%&]))
|
(?:(?=[^a-z]*[a-z])(?=[^A-Z]*[A-Z]))
|
(?:(?=[^!?€%&]*[!?€%&])(?=[^A-Z]*[A-Z]))
)
.+
$`)
var str = `
1 digit
1 lowercase character
1 special character (!?€%&, etc)
1 uppercase character
1A`
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/