ReplaceTestpublic class ReplaceTest extends TestCase
| Methods Summary |
|---|
| public void | testCaptureReplace()
String target, pattern, repl, s;
Pattern p = null;
Matcher m;
target = "[31]foo;bar[42];[99]xyz";
pattern = "\\[([0-9]+)\\]([a-z]+)";
repl = "$2[$1]";
p = Pattern.compile(pattern);
m = p.matcher(target);
s = m.replaceFirst(repl);
assertEquals("foo[31];bar[42];[99]xyz", s);
s = m.replaceAll(repl);
assertEquals("foo[31];bar[42];xyz[99]", s);
target = "[31]foo(42)bar{63}zoo;[12]abc(34)def{56}ghi;{99}xyz[88]xyz(77)xyz;";
pattern = "\\[([0-9]+)\\]([a-z]+)\\(([0-9]+)\\)([a-z]+)\\{([0-9]+)\\}([a-z]+)";
repl = "[$5]$6($3)$4{$1}$2";
p = Pattern.compile(pattern);
m = p.matcher(target);
s = m.replaceFirst(repl);
// System.out.println(s);
assertEquals("[63]zoo(42)bar{31}foo;[12]abc(34)def{56}ghi;{99}xyz[88]xyz(77)xyz;", s
);
s = m.replaceAll(repl);
// System.out.println(s);
assertEquals("[63]zoo(42)bar{31}foo;[56]ghi(34)def{12}abc;{99}xyz[88]xyz(77)xyz;", s
);
| | public void | testEscapeReplace()
String target, pattern, repl, s;
target = "foo'bar''foo";
pattern = "'";
repl = "\\'";
s = target.replaceAll(pattern, repl);
assertEquals("foo'bar''foo", s);
repl = "\\\\'";
s = target.replaceAll(pattern, repl);
assertEquals("foo\\'bar\\'\\'foo", s);
repl = "\\$3";
s = target.replaceAll(pattern, repl);
assertEquals("foo$3bar$3$3foo", s);
| | public void | testSimpleReplace()
String target, pattern, repl;
target = "foobarfobarfoofo1barfort";
pattern = "fo[^o]";
repl = "xxx";
Pattern p = Pattern.compile(pattern);
Matcher m = p.matcher(target);
assertEquals("foobarxxxarfoofo1barfort", m.replaceFirst(repl));
assertEquals("foobarxxxarfooxxxbarxxxt", m.replaceAll(repl));
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