package main
import (
"regexp"
"fmt"
)
func main() {
var re = regexp.MustCompile(`(?m)vn (-?[0-9. ]+){3}|v (-?[0-9. ]+){3}|f ([0-9. \/]+){3}`)
var str = `v -1 1 0
v -1 0 0
v 1 0 0
v 1 1 0
v 0 2 0
f 1 2 3 4 5
vn 0 0 1
vn 0.707 0 -0.707
vn 1 2 3`
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/