package main
import (
"regexp"
"fmt"
)
func main() {
var re = regexp.MustCompile(`(?m)^(?:.*)(?<=\s)(test(?:\s+)?\()(?:.*)$`)
var str = `This is a test() function
This is a test () function
test()
test ()
test(
matchtest()
The requirement is to see the word starts with space or is the first word of a line and has an open bracket "(" after that particular word`
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/