package main
import (
"regexp"
"fmt"
)
func main() {
var re = regexp.MustCompile(`(?m)^ # Start of string
\#? # Optional "#"
[a-z]{4} # Followed by 4 letters
\ ? # Optional space
_ # Followed by an underscore
[ ]? # Optional space
[0-9]{6} # Followed by 6 digits
[#]? # Optional "#"
$ # End of string`)
var str = `abcd_123456
abcd _ 123456
#abcd_123456
abcd_123456#
#abcd_123456#
#abcd _ 123456#`
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/