Question

How to remove all non-alphanumeric characters from a string in Kotlin

Answer 1

fun removeNonAlphanumeric(input: String): String {
    return input.replace(Regex("[^A-Za-z0-9]"), "")
}

fun main() {
    var s = "Kotlin, #@ ! ^&Programming (*).";
    
    s = removeNonAlphanumeric(s)
    
    println(s)  
}

  
   
/*
run:
 
KotlinProgramming
 
*/

 

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