package com.sd.shupathwebview

import com.sd.shupathwebview.utils.FileIoUtils
import org.junit.Test

import org.junit.Assert.*

/**
 * Example local unit test, which will execute on the development machine (host).
 *
 * See [testing documentation](http://d.android.com/tools/testing).
 */
class ExampleUnitTest {
    @Test
    fun addition_isCorrect() {
        assertEquals(4, 2 + 2)
    }

    @Test
    fun testStr() {
//        var str="这是第一行。\n这是第二行。\r\n这是第三行。\r这是第四行??"
        var str = "6786786786u76四\n行\r\n??"
        str= str.run {
            var index = str.lastIndexOf("??")
            return@run substring(0..index - 1).replace("[\n\r]+".toRegex(), "").trim()
        }

//        var index = str.lastIndexOf("??")
//        println("index = ${index}")
//        str = str.substring(0..index - 1).replace("[\n\r]+".toRegex(), "").trim()
        println("------str =${str}")
    }

}