package main
import (
"regexp"
"fmt"
)
func main() {
var re = regexp.MustCompile(`(?<!\.)(\b[a-zA-Z_]+[a-zA-Z0-9_]+)\.[a-zA-Z0-9_\.]+`)
var str = `module.func()
module.class.func()
module.module.class . func()
__module__.module.class.func()
module.constant
module.class.constant
module.class.class.constant
module11.func()
modu123le.class.func()
modu123le.module.class.func()
modu123le.module123.class.func()
"1 if module11.func(col) == 'A' else 3"
"1 if module11.func(col) == 'A' else ( _module.constant == 'B') else 34"
"module.func()"
1.0
1module.func()
2module.class.func()
col.upper() ##No way to know whether col is a module
module . func() ##Need to remove spaces before and after .
module . class . func()
`
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/