package main
import (
"regexp"
"fmt"
)
func main() {
var re = regexp.MustCompile(`(?m)(^\d{1,2}+\.\d{1,2}\.\d{1,2}\.\d{1,2}$)`)
var str = `qsdf4ghjk dfdf dfd 4fdfd3 d
4444
but not 4444
4444
333
44444.4444
2222
1
2.
3
555
6.6.7
44.5.
4.5.6.
4.5.6.7
44.44.6.4
12.12.12.12
dddd
this is a test of 3.4 and 3.4.5 and 3.4.5.6 and 33.44.55.66
hopefully something is learnded. qsdf4ghjk,
2.4.5.6.7 is here but at the beginning lets's put
2.3.5.7 but not 2.4.6.7. No space 2.4.6.7 .
3.5.6.7.
3.3.3
44
3.3.3.3
4.5.6.7.8 and more`
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/