package main
import (
"regexp"
"fmt"
)
func main() {
var re = regexp.MustCompile(`(?m)^(?=.{0,25}$)[+#]?\d*(?:X*|\*?)$`)
var str = `The regex should match any given number:
012345
+12345
#1234525
But also match for strings with a X in it.
12345X
12345XX
1234XXXXXX
XXXXXX
also
12345*
Not allowed
1234*X
1234X*
1234**
1234X*
12345*X
`
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/