convert json5 to json

Json5.kt

package com.jinhandz.v2code.utils.ktx

/**
 * see [JSON5 | JSON for Humans](https://json5.org/)
 * */
object Json5 {
    private val REGEX_MULTI_COMMENT = Regex("""/\*.*?\*/""", RegexOption.DOT_MATCHES_ALL)
    private val REGEX_SINGLE_COMMENT = Regex("""^(.*)//.*$""")
    private val REGEX_COMMA = Regex(""",\s*([]}])""")
    fun convertJson5ToJson(json5: String): String {
        return removeComma(removeSingleComment(removeMultiComment(json5)))
    }

    private fun removeMultiComment(json5: String): String {
        return json5.replace(REGEX_MULTI_COMMENT, "")
    }

    private fun removeSingleComment(json5: String): String {
        return json5.lineSequence().map { it.replace(REGEX_SINGLE_COMMENT, "$1") }
            .joinToString("\n")
    }

    private fun removeComma(json5: String): String {
        return json5.replace(REGEX_COMMA, "$1")
    }
}