diff options
Diffstat (limited to 'core/source/core/scala/com/rockymadden/stringmetric/filter/AsciiLetterOnlyFilter.scala')
-rwxr-xr-x | core/source/core/scala/com/rockymadden/stringmetric/filter/AsciiLetterOnlyFilter.scala | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/core/source/core/scala/com/rockymadden/stringmetric/filter/AsciiLetterOnlyFilter.scala b/core/source/core/scala/com/rockymadden/stringmetric/filter/AsciiLetterOnlyFilter.scala new file mode 100755 index 0000000..70032d9 --- /dev/null +++ b/core/source/core/scala/com/rockymadden/stringmetric/filter/AsciiLetterOnlyFilter.scala @@ -0,0 +1,11 @@ +package com.rockymadden.stringmetric.filter + +import com.rockymadden.stringmetric.StringFilter + +/** Ensures only ASCII letters matter. */ +trait AsciiLetterOnlyFilter extends StringFilter { + abstract override def filter(charArray: Array[Char]): Array[Char] = + super.filter(charArray.filter(c => ((c >= 65 && c <= 90 ) || (c >= 97 && c <= 122)))) + + abstract override def filter(string: String): String = filter(string.toCharArray).mkString +} |