@Test
public void testLineModes() {
/*
* Has enhanced line-anchor mode
*/
String forTest =
"to be a great man ,you must pay great effort\nAnd you will meet the most difficult things like the bitch\n";
/*
* ^ matches at start of string
*/
long found = RegExpUtils.countFound(RegExpUtils.getMatcher("^", forTest));
assertEquals(1L, found);
/*
* $ matches at end of string,and matches before string-ending newline.
*/
found = RegExpUtils.countFound(RegExpUtils.getMatcher("$", forTest));
assertEquals(2L, found);
found = RegExpUtils.countFound(RegExpUtils.getMatcher("$", forTest));
assertEquals(2L, found);
/*
* In enhanced line-anchor mode ... ^ matches at start of string
*
* ^ matches after any newline $ matches at end of string $ matches
* before any newline \A always matches like normal ^ \Z always matches
* like normal $ \z always matches only at end of string
*/
found = RegExpUtils.countFound(RegExpUtils.getMatcher("\\Z", forTest));
assertEquals(2L, found);
found = RegExpUtils.countFound(RegExpUtils.getMatcher("\\A", forTest));
assertEquals(1L, found);
found = RegExpUtils.countFound(RegExpUtils.getMatcher("\\z", forTest));
assertEquals(1L, found);
// multiline mode
found = RegExpUtils.countFound(RegExpUtils.getMatcher("$", forTest, Pattern.MULTILINE));
assertEquals(3L, found);
found = RegExpUtils.countFound(RegExpUtils.getMatcher("\\A", forTest, Pattern.MULTILINE));
assertEquals(1L, found);
/*
* Always like the normal '$'
*/
found = RegExpUtils.countFound(RegExpUtils.getMatcher("\\Z", forTest, Pattern.MULTILINE));
assertEquals(2L, found);
/*
* Always matches end of String.
*/
found = RegExpUtils.countFound(RegExpUtils.getMatcher("\\z", forTest, Pattern.MULTILINE));
assertEquals(1L, found);
}
@Test
public void testDigitalMatcher() {
Matcher matcher = RegExpUtils.getMatcher("[\\d]", "12345d");
assertEquals(5, RegExpUtils.countFound(matcher));
matcher = RegExpUtils.getMatcher("\\D", "12345d");
assertEquals(1, RegExpUtils.countFound(matcher));
matcher = RegExpUtils.getMatcher("\\D", "12345d");
RegExpUtils.printFound(matcher, OUTPUT_STRING_WIDTH);
}
@Test
public void defaultMatchModeShouldBeMultiLine() {
Matcher matcher = RegExpUtils.getMatcher("$", "\n");
assertEquals(2L, RegExpUtils.countFound(matcher));
}