X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;ds=sidebyside;f=src%2Fjalview%2Fio%2FRnamlFile.java;h=d5a8d81805906bdae0c55cf5cd7645829efc725e;hb=72fb6df14f1ff426bbafa18dcc9a90450da93018;hp=4d3ddc17241ba7cdd0b60123fd438e363efcc4a2;hpb=f4766a7bbcfae845fc95923b01fa14ff83d589ff;p=jalview.git

diff --git a/src/jalview/io/RnamlFile.java b/src/jalview/io/RnamlFile.java
index 4d3ddc1..d5a8d81 100644
--- a/src/jalview/io/RnamlFile.java
+++ b/src/jalview/io/RnamlFile.java
@@ -26,6 +26,7 @@ import jalview.datamodel.Annotation;
 import jalview.datamodel.Sequence;
 import jalview.datamodel.SequenceI;
 import jalview.util.MessageManager;
+import jalview.util.Platform;
 
 import java.io.BufferedReader;
 import java.io.FileNotFoundException;
@@ -227,7 +228,7 @@ public class RnamlFile extends AlignFile
       dataName = dataName.substring(0, b - 1);
     }
     b = 0;
-    Regex m = new Regex("[\\/]?([-A-Za-z0-9]+)\\.?");
+    Regex m = getSafeRegex();
     String mm = dataName;
     while (m.searchFrom(dataName, b))
     {
@@ -236,4 +237,13 @@ public class RnamlFile extends AlignFile
     }
     return mm;
   }
+
+  private static Regex SAFE_REGEX;
+
+  private static Regex getSafeRegex()
+  {
+    return (SAFE_REGEX == null
+            ? SAFE_REGEX = Platform.newRegex("[\\/]?([-A-Za-z0-9]+)\\.?", null)
+            : SAFE_REGEX);
+  }
 }