Is alphabetic or numeric

Definition

Return true if a string contain only alphabetic characters : A->Z, a->z or 0->9.

Usage

addRule("field -> alpha_num")

Tests

@Test
public final void testRuleAlphaNumOk() throws Exception {
    System.out.println("=== TEST FOR `alpha_num` RULE ===\n");
    UtilTest.testIt("alpha_num", "123", true);
    UtilTest.testIt("alpha_num", "abc123", true);
    UtilTest.testIt("alpha_num", "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz", true);
}

@Test
public final void testRuleAlphaNotNumOk() throws Exception {
    UtilTest.testIt("alpha_num", " ", false);
    UtilTest.testIt("alpha_num", "123 ", false);
    UtilTest.testIt("alpha_num", "abc ", false);
    UtilTest.testIt("alpha_num", "[]", false);
    UtilTest.testIt("alpha_num", ".0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz", false);
}