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package com.rockymadden.stringmetric.filter
import com.rockymadden.stringmetric.StringFilter
/** Ensures only ASCII letters and numbers matter. */
trait AsciiLetterNumberOnlyFilter extends StringFilter {
abstract override def filter(charArray: Array[Char]): Array[Char] =
super.filter(
charArray.filter(c =>
((c >= 48 && c <= 57 ) || (c >= 65 && c <= 90 ) || (c >= 97 && c <= 122))
)
)
abstract override def filter(string: String): String = filter(string.toCharArray).mkString
}
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