package main
import (
"regexp"
"fmt"
)
func main() {
var re = regexp.MustCompile(`(?m)(?<!^(?:(?:\d+|[A-Z])\.?)?)\t`)
var str = ` text
1. text
1 text
A. text
text text
That is, it shouldn't match tabs that are
at the beginning of the text,
after a listed item mark [A-Z] or [0-9]. Here is my expression:`
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/