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17 lines
335 B
17 lines
335 B
7 years ago
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package com.xsn.explorer.models
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class HexString private (val string: String) extends AnyVal
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object HexString {
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private val RegEx = "^[A-Fa-f0-9]+$"
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def from(string: String): Option[HexString] = {
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if (string.length % 2 == 0 && string.matches(RegEx)) {
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Option(new HexString(string))
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} else {
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None
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}
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}
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}
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