package main
import (
"regexp"
"fmt"
)
func main() {
var re = regexp.MustCompile(`(?m)(?'number'(?'float'(?>\d+[\.](?>\d+)?)|(?>(?>\d+)?[\.]\d+))|\d+)(?'exponent'e[+-](?&number))?`)
var str = ` 2.0
.0
3.
2e+1
2.0e+1
2.123e+1.2
2
5
2 2 4 5 6
`
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/