import jalview.datamodel.DBRefEntry;
import jalview.datamodel.SequenceI;
+import jalview.util.Platform;
import java.util.List;
}
};
+ private static Regex VALIDATION_REGEX;
+
+ private static Regex getRegex()
+ {
+ return (VALIDATION_REGEX == null
+ ? VALIDATION_REGEX = Platform
+ .newRegex("\\s*((([-0-9]+).?)|FIRST|LAST|@)", null)
+ : VALIDATION_REGEX);
+ }
+
private resCode validResidueCode(String field)
{
Integer val = null;
- Regex r = new Regex(
- "\\s*((([-0-9]+).?)|FIRST|LAST|@)");
-
+ Regex r = getRegex();
if (!r.search(field))
{
return null; // invalid