How to Check if String starts with Specific Prefix in Kotlin - Step by Step Examples

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How to Check if String starts with Specific Prefix in Kotlin ?

Answer

To check if a string starts with a specific prefix in Kotlin, you can use the 'startsWith' method of the String class.

✐ Examples

1 Check if String contains specific Prefix using 'startsWith' method

In this example,

We create a function 'startsWithPrefix' that takes a string and a prefix as input.
We use the 'startsWith' method of the string object to check if the string starts with the specified prefix.
If the string starts with the prefix, 'true' is returned; otherwise, 'false'.
Finally, we print the result.

Kotlin Program

fun startsWithPrefix(str: String, prefix: String): Boolean {
    return str.startsWith(prefix)
}

fun main() {
    val str = "Hello World"
    val prefix = "Hello"
    val startsWith = startsWithPrefix(str, prefix)
    println("String starts with prefix '$prefix': $startsWith")
}

Output

String starts with prefix 'Hello': true

Summary

In this tutorial, we learned How to Check if String starts with Specific Prefix in Kotlin language with well detailed examples.