package main
import (
"regexp"
"fmt"
)
func main() {
var re = regexp.MustCompile(`(?m)(^| |[a-z-A-Z]{2,}|[a-df-zA-Z]| *-[0-9]+|[0-9]+)(-)([0-9]+|[0-9]+e[0-9]+|[0-9]+-e[0-9]+)`)
var str = `-1
1-1
1e1
1e-1
-1e-1
1e-1-1e-1
-1e-1-1e-1
last-1
last-1e-1-1e-1
1+1 -1-1`
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/