Question

How to validate a 10-digit phone number with hyphens (e.g. 333-555-1234) using RegEx in Go

Answer 1

package main

import (
    "fmt"
    "regexp"
)

func main() {
    phoneNumber := "333-555-1234"
    pattern := `^\d{3}-\d{3}-\d{4}$`

    matched, _ := regexp.MatchString(pattern, phoneNumber)
    if matched {
        fmt.Println("Valid phone number format")
    } else {
        fmt.Println("Invalid phone number format")
    }
}



/*
run:

Valid phone number format

*/

 

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