condition.left = analyzeNode(node);
condition.operation = BooleanOperator.MATCHES;
RegExMatch regExNode = (RegExMatch)node;
Pattern pattern = regExNode.getPattern();
if (pattern != null) {
condition.right = new FixedExpression(String.class, pattern.pattern());
} else {
ExecutableStatement regExStmt = (ExecutableStatement)getFieldValue(RegExMatch.class, "patternStmt", regExNode);
condition.right = analyzeNode(((ExecutableAccessor)regExStmt).getNode());
}
} else if (node instanceof Contains) {