regex_number

val pattern = "###-##-#-####"
val count = pattern.length - pattern.replace("-", "").length

val patternsLength = mutableListOf<Int>()

var index = pattern.indexOf('-')
var length = pattern.substring(0,index).length
for(i in 0..count){
    patternsLength.add(length)
    length = index+1
    try {
        index = pattern.indexOf('-', index+1)
        length = pattern.substring(length, index).length
    } catch (e: StringIndexOutOfBoundsException) {
        length = pattern.substring(length, pattern.length).length
    }
}
println(patternsLength)


var string = "1234566"
var subStringList = mutableListOf<String>()

var beginIndex = 0
var endIndex = patternsLength[1]
for (i in 1..patternsLength.size){
    if(endIndex > string.length){
        subStringList.add(string.substring(beginIndex, string.length))
        break
    }
    if(string.length > endIndex){
        subStringList.add(string.substring(beginIndex, endIndex))
    }

    beginIndex = endIndex
    endIndex += patternsLength[i]
}
println(subStringList)