Fix normalized_text_ascii regex (#254)

Author: JCRPaquin

deploy/adsabs/server/solr/collection1/conf/schema.xml

@@ -807,7 +807,7 @@
 				<filter class="solr.ASCIIFoldingFilterFactory" />
 				<filter class="solr.LowerCaseFilterFactory" />
 				<filter class="solr.PatternReplaceFilterFactory"
-					pattern="(\-\.|_)" replacement="" replace="all" />
+					pattern="(\-|\.|_)" replacement="" replace="all" />
 				<filter
 					class="org.apache.lucene.analysis.miscellaneous.RemoveDuplicatesTokenFilterFactory" />
 			</analyzer>
@@ -816,7 +816,7 @@
 				<filter class="solr.ASCIIFoldingFilterFactory" />
 				<filter class="solr.LowerCaseFilterFactory" />
 				<filter class="solr.PatternReplaceFilterFactory"
-					pattern="(\-\.|_)" replacement="" replace="all" />
+					pattern="(\-|\.|_)" replacement="" replace="all" />
 			</analyzer>
 		</fieldType>