package main
import (
"regexp"
"fmt"
)
func main() {
var re = regexp.MustCompile(`(?m)\w+\((?:\w+(?:\s*,\s*\w+)*)?\)`)
var str = `Hello, world test(test) testing
Hello, world test(test)test testing
test()
test(a, b)
test(,)
test(,a)`
var substitution = "[\d][\d][\d]"
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/