package main
import (
"regexp"
"fmt"
)
func main() {
var re = regexp.MustCompile(`(?m)^(?!\d{2}\h*[:-]\h*\d{2}\h*$).*[\r\n]+`)
var str = `01 - 10
This is the first one :1
02:45
This is the second one -2
03-88
This is the third one "3
04:40
This is the forth one ;4
05 - 50
This is the fifth one .5`
var substitution = ""
fmt.Println(re.ReplaceAllString(str, substitution))
}
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/