package regexp
Golang regexp.Compile() function and FindString() usage example.
package main
import (
"fmt"
"regexp"
)
func main() {
// regular expression pattern
re, err := regexp.Compile("a(|b)")
if err != nil {
fmt.Println(err)
}
s := re.FindString("ab")
fmt.Println("First match : ", s)
}
Output :
First match : a
