Is alphabetic

Definition

Return true if a string contain only alphabetic characters : A->Z and a->z.

Usage

addRule("field -> alpha")

Tests

@Test
public final void testRuleAlphaOk() throws Exception {
    UtilTest.testIt("alpha", "abcdefghijklmnopqrstuvwxyz", true);
    UtilTest.testIt("alpha", "ABCDEFGHIJKLMNOPQRSTUVWXYZ", true);
    UtilTest.testIt("alpha", "abcABC", true);
}

@Test
public final void testRuleAlphaNotOk() throws Exception {
    UtilTest.testIt("alpha", "abc123", false);
    UtilTest.testIt("alpha", "abc 123", false);
    UtilTest.testIt("alpha", "  124 ", false);
    UtilTest.testIt("alpha", "   ", false);
}