1 files changed, 11 insertions, 0 deletions
diff --git a/stringmetric-core/source/core/scala/com/rockymadden/stringmetric/filter/AsciiNumberFilter.scala b/stringmetric-core/source/core/scala/com/rockymadden/stringmetric/filter/AsciiNumberFilter.scala
new file mode 100755
index 0000000..42fe77e
--- /dev/null
+++ b/stringmetric-core/source/core/scala/com/rockymadden/stringmetric/filter/AsciiNumberFilter.scala
@@ -0,0 +1,11 @@
+package com.rockymadden.stringmetric.filter
+
+import com.rockymadden.stringmetric.StringFilter
+
+/** Ensures ASCII numbers do not matter. */
+trait AsciiNumberFilter extends StringFilter {
+	abstract override def filter(charArray: Array[Char]): Array[Char] =
+		super.filter(charArray.filter(c => !(c >= 48 && c <= 57)))
+
+	abstract override def filter(string: String): String = filter(string.toCharArray).mkString
+}