package main
import (
"regexp"
"fmt"
)
func main() {
var re = regexp.MustCompile(`(?m)^\-?\d+(?:\.\d+)?(?= *=)|\-?\d+(?:\.\d+)?$`)
var str = `6 = 2*3
2*3 = 6
-6 = 2*4 - 2
2*4 - 2 = -6
3.24 = 3 * 1.08
-3 * 1.08 = -3.24
6 = 3!
3! = 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/