package main
import (
"regexp"
"fmt"
)
func main() {
var re = regexp.MustCompile(`(?<=, )[0-9]+(\.[0-9]+)?(?= fps)`)
var str = `8:9 DAR4:3], 23.98 fps
8:9 DAR4:3], 29.97 fps
8:9 DAR4:3], 25 fps
unrelated, 10 string
another, 28 fps string`
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/