--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/main/gov/nasa/jpf/util/StringMatcher.java	Fri Jan 23 10:14:01 2015 -0800
@@ -0,0 +1,93 @@
+/*
+ * Copyright (C) 2014, United States Government, as represented by the
+ * Administrator of the National Aeronautics and Space Administration.
+ * All rights reserved.
+ *
+ * The Java Pathfinder core (jpf-core) platform is licensed under the
+ * Apache License, Version 2.0 (the "License"); you may not use this file except
+ * in compliance with the License. You may obtain a copy of the License at
+ * 
+ *        http://www.apache.org/licenses/LICENSE-2.0. 
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and 
+ * limitations under the License.
+ */
+
+package gov.nasa.jpf.util;
+
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+/**
+ * simple wrapper around Patter/Matcher pairs, with patterns using '*' wildcards
+ * same as StringSetMatcher but for single patterns
+ */
+public class StringMatcher {
+
+  boolean isAnyPattern; // do we have a universal '*' pattern?
+
+  Pattern pattern;
+  Matcher matcher;
+
+  public static boolean hasWildcard (String patternSpec){
+    return (patternSpec.indexOf('*') >= 0);
+  }
+
+  public StringMatcher (String patternSpec){
+    if (patternSpec.equals("*")) {
+      isAnyPattern = true;
+      // no need to compile this
+
+    } else {
+      Pattern p = createPattern(patternSpec);
+      pattern = p;
+      matcher = p.matcher(""); // gets reset upon use
+    }
+  }
+
+  protected Pattern createPattern (String s){
+    Pattern p;
+
+    StringBuilder sb = new StringBuilder();
+
+    int len = s.length();
+    for (int j=0; j<len; j++){
+      char c = s.charAt(j);
+      switch (c){
+      case '.' : sb.append("\\."); break;
+      case '$' : sb.append("\\$"); break;
+      case '[' : sb.append("\\["); break;
+      case ']' : sb.append("\\]"); break;
+      case '*' : sb.append(".*"); break;
+      case '(' : sb.append("\\("); break;
+      case ')' : sb.append("\\)"); break; 
+      // <2do> and probably more..
+      default:   sb.append(c);
+      }
+    }
+
+    p = Pattern.compile(sb.toString());
+    return p;
+  }
+
+  public boolean matches (String s){
+    if (isAnyPattern){
+      return true;
+    } else {
+      matcher.reset(s);
+      return matcher.matches();
+    }
+  }
+
+  @Override
+  public String toString() {
+    if (isAnyPattern){
+      return ".*";
+    } else {
+      return pattern.toString();
+    }
+  }
+}