Is only numeric

Definition

Return true if a string contain only 0->9 characters.

Usage

addRule("field -> numeric")

Tests

@Test
public final void testRuleNumericOk() throws Exception {
    UtilTest.testIt("numeric", "0123456789", true);
    UtilTest.testIt("numeric", "012", true);
    UtilTest.testIt("numeric", "67867880127878", true);
}

@Test
public final void testRuleNumericNotOk() throws Exception {
    UtilTest.testIt("numeric", " 012", false);
    UtilTest.testIt("numeric", "abc 123", false);
    UtilTest.testIt("numeric", "123a", false);
    UtilTest.testIt("numeric", ".456", false);
}