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15 lines
353 B
15 lines
353 B
package org.atm.ctrl;
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public class Validate {
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private static final int len = 7;
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public static boolean is7RandNumeric(String str) {
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boolean flag = str != null && str.matches("\\d{" + len + "}");
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if (!flag) {
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System.out.println(str + " must is " + len + " Numeric!");
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return false;
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} else
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return true;
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}
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}// end Validate
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