package main
import (
"regexp"
"fmt"
)
func main() {
var re = regexp.MustCompile(`(?m)^(((\.\d+)|(0+((e|E)\d+)?)|(0+\.\d*((e|E)-\d+)?)|((1|1\.0*)((e|E)-\d+)?)|(1\.\d+((e|E)-[1-9]\d*)))(\s+|,\s*)){3}((\.\d+)|(0+((e|E)\d+)?)|(0+\.\d*((e|E)-\d+)?)|((1|1\.0*)((e|E)-\d+)?)|(1\.\d+((e|E)-[1-9]\d*)))$(
# just a way to comment
# The ^$ anchors are there because xml always assumes them.
# They are required here for proper testing.
)*`)
var str = `1 1 1 1`
if len(re.FindStringIndex(str)) > 0 {
fmt.Println(re.FindString(str),"found at index",re.FindStringIndex(str)[0])
}
}
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/