package main
import (
"regexp"
"fmt"
)
func main() {
var re = regexp.MustCompile(`(?m)^(?!.*?([ ']).*\1)[a-zA-Z ']+$`)
var str = `a
'
''
'
a
'a
foo bar'baz
foo'barbarbara baz
foo barbarbara baz
foo'
ab c''
!"`
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/