package main
import (
"regexp"
"fmt"
)
func main() {
var re = regexp.MustCompile(`(?m)((?<!\d)(?!0\d)\d{0,3}\.\d+)(?:\h+\S){0,6}\h+((?<!\d)(?!0\d)\d{0,3}\.\d+)`)
var str = `999.9 999.0
1.0 a a 2 a a a 1.0
-1.0 1.0
1.0 2.0 3.0
2.0
999.9 1000.0
1.0 a a a 2 a a a 1.0
-1.0 -1.0
999 999.0
0100.0 100.0`
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/