Created ignoreAlphaCase transform.

2 files changed, 13 insertions, 0 deletions

diff --git a/core/source/main/scala/com/rockymadden/stringmetric/Transform.scala b/core/source/main/scala/com/rockymadden/stringmetric/Transform.scala
index 390c4f2..c2cdace 100644
--- a/core/source/main/scala/com/rockymadden/stringmetric/Transform.scala
+++ b/core/source/main/scala/com/rockymadden/stringmetric/Transform.scala
@@ -65,5 +65,7 @@ object Transform {
 		val filterUpperCase: StringTransform = (ca) => filter(ca, c => UpperCase.contains(c.toInt))
 
 		val filterNotUpperCase: StringTransform = (ca) => filterNot(ca, c => UpperCase.contains(c.toInt))
+
+		val ignoreAlphaCase: StringTransform = (ca) => ca.map(c => if (c >= 65 && c <= 90) (c + 32).toChar else c)
 	}
 }
diff --git a/core/source/test/scala/com/rockymadden/stringmetric/TransformSpec.scala b/core/source/test/scala/com/rockymadden/stringmetric/TransformSpec.scala
index 5b93cfa..2349a6a 100644
--- a/core/source/test/scala/com/rockymadden/stringmetric/TransformSpec.scala
+++ b/core/source/test/scala/com/rockymadden/stringmetric/TransformSpec.scala
@@ -167,4 +167,15 @@ final class TransformSpec extends ScalaTest { "StringTransform" should provide {
 			}
 		}
 	}
+	"ignoreAlphaCase()" when passed {
+		"String" should returns {
+			"transformed String" in {
+				StringTransform.ignoreAlphaCase(
+					("aBc123" + 0x250.toChar).toCharArray
+				) should equal (
+					("abc123" + 0x250.toChar).toCharArray
+				)
+			}
+		}
+	}
 }}