package main
import (
"regexp"
"fmt"
)
func main() {
var re = regexp.MustCompile(`(?m)^\s*([-+]?[0-9]*\.[0-9]+([eE][-+]?[0-9]+)?)$ #float
| # or
^(\d{1,2})$ # 2 digit int`)
var str = `Pass:
1
12
12.3
.3
12.3456789
+12.3
-12.3
Fail
123
12.
abc
12..34
--12.3
.
`
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/