Question

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

Answer 1

fun main() {
    val phoneNumber = "333-555-1234"
    val pattern = Regex("^\\d{3}-\\d{3}-\\d{4}$")

    if (pattern.matches(phoneNumber)) {
        println("Valid phone number format")
    } else {
        println("Invalid phone number format")
    }
}


   
/*
run:

Valid phone number format
 
*/

 

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