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  2. github.com/codelibs/corelib

    src/test/java/org/codelibs/core/lang/StringUtilTest.java 

         */
    @Test
    public void testIsNumver() throws Exception {
        assertFalse(StringUtil.isNumber(null));
        assertTrue(StringUtil.isNumber("0123456789"));
        assertFalse(StringUtil.isNumber("aaaBBBccc"));
        assertFalse(StringUtil.isNumber("０１２３４５６７８９"));
        assertFalse(StringUtil.isNumber(""));
        assertFalse(StringUtil.isNumber("01234abcdef"));
        assertFalse(StringUtil.isNumber("abcdef01234"));
    Created: Fri Apr 03 20:58:12 GMT 2026
    - Last Modified: Sat Nov 22 11:21:59 GMT 2025
    - 11.4K bytes
    - Click Count (0)
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