x1174 Allow certain characters in replicate number

Can contain _-. (underscore, hyphen, full stop) in addition to
letters and digits.
Must start and end with a letter or digit.
Cannot have two adjacent punctuation characters.

src/main/java/uk/ac/sanger/sccp/stan/config/FieldValidation.java

@@ -70,8 +70,10 @@ public Validator<String> externalBarcodeValidator() {
 
     @Bean
     public Validator<String> replicateValidator() {
-        Set<CharacterType> charTypes = EnumSet.of(CharacterType.ALPHA, CharacterType.DIGIT);
-        return new StringValidator("Replicate number", 1, 7, charTypes);
+        Set<CharacterType> charTypes = EnumSet.of(CharacterType.ALPHA, CharacterType.DIGIT,
+                CharacterType.UNDERSCORE, CharacterType.FULL_STOP, CharacterType.HYPHEN);
+        Pattern pattern = Pattern.compile("[0-9a-z]([-_.]?[0-9a-z])*", Pattern.CASE_INSENSITIVE);
+        return new StringValidator("Replicate number", 1, 8, charTypes, false, pattern);
     }
 
     @Bean

src/test/java/uk/ac/sanger/sccp/stan/config/TestFieldValidation.java

@@ -0,0 +1,34 @@
+package uk.ac.sanger.sccp.stan.config;
+
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+import uk.ac.sanger.sccp.stan.service.Validator;
+
+import java.util.function.Consumer;
+
+import static org.junit.jupiter.api.Assertions.assertFalse;
+import static org.junit.jupiter.api.Assertions.assertTrue;
+
+class TestFieldValidation {
+    FieldValidation fieldValidation;
+
+    @BeforeEach
+    void setup() {
+        fieldValidation = new FieldValidation();
+    }
+
+    @Test
+    public void testReplicateNumber() {
+        Validator<String> val = fieldValidation.replicateValidator();
+        final Consumer<String> problemConsumer = msg -> {};
+        String[] valid = {"1", "A", "1A", "A1", "11aabb33", "1-4-A", "B.5.C", "X_X_7_7", "1-B.C_E"};
+        for (String string : valid) {
+            assertTrue(val.validate(string, problemConsumer), string);
+        }
+        String[] invalid = {"", "*", "A*", " 1", "A ", "-1", "A.", "1A..N", "A-_4"};
+        for (String string : invalid) {
+            assertFalse(val.validate(string, problemConsumer), string);
+        }
+    }
+
+}