Bug 192792 Drag to change xtab width will cause xls preview failure[1203]
engine/org.eclipse.birt.report.engine.emitter.prototype.excel/src/org/eclipse/birt/report/engine/emitter/excel/ExcelUtil.java
package org.eclipse.birt.report.engine.emitter.excel;
import java.util.List;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import org.eclipse.birt.report.engine.emitter.excel.GroupInfo.Position;
import org.eclipse.birt.report.engine.ir.DimensionType;
public class ExcelUtil