/*******************************************************************************
* Breakout Cave Survey Visualizer
*
* Copyright (C) 2014 James Edwards
*
* jedwards8 at fastmail dot fm
*
* This program is free software; you can redistribute it and/or modify it under
* the terms of the GNU General Public License as published by the Free Software
* Foundation; either version 2 of the License, or (at your option) any later
* version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License along with
* this program; if not, write to the Free Software Foundation, Inc., 51
* Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*******************************************************************************/
package org.andork.swing.text;
import java.util.regex.Pattern;
public class Patterns {
public static Pattern createNumberPattern(int maxIntegerDigits, int fractionDigits, boolean allowEmpty) {
String p = "0|[1-9]\\d{0," + (maxIntegerDigits - 1) + "}";
if (allowEmpty) {
p += "|";
}
if (fractionDigits > 0) {
p = "(" + p + ")(\\.\\d{0," + fractionDigits + "})?";
}
return Pattern.compile(p);
}
}