package main
import (
"regexp"
"fmt"
)
func main() {
var re = regexp.MustCompile(`(?m)^(\d+).*[\r\n]+(?:\1.*[\r\n]+)*`)
var str = `ID,text,value
1,some text,5
1,other text,3
1,something,2
2,sample,4
3,john doe,2
3,jane doe,3
4,foo,1
4,bar,2
4,baz,3
`
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/