package main import ( "fmt" "log" ) func main() { // extract int and float from a string s := "48 123.45" var f float64 var i int nParsed, err := fmt.Sscanf(s, "%d %f", &i, &f) if err != nil { log.Fatalf("first fmt.Sscanf failed with %s\n", err) } fmt.Printf("i: %d, f: %f, extracted %d values\n", i, f, nParsed) var i2 int _, err = fmt.Sscanf(s, "%d %f %d", &i, &f, &i2) if err != nil { fmt.Printf("second fmt.Sscanf failed with %s\n", err) } }