Regexp \G behaves differently from MRI
--------------------------------------
Key: JRUBY-1171
URL: http://jira.codehaus.org/browse/JRUBY-1171
Project: JRuby
Issue Type: Bug
Components: Core Classes/Modules
Affects Versions: JRuby 1.x
Environment: MacOS / MSWindows
Reporter: Dmitry Verkhovsky
JRuby returns nil instead of 0 on following:
irb(main):001:0> "a".index(/\Ga/)
=> 0
Jirb(main):001:0> "a".index(/\Ga/)
=> nil
Unit test:
TestRubyString.java
package org.jruby.test;
import org.jruby.Ruby;
public class TestRubyString extends TestRubyBase {
private String result;
public TestRubyString(String name) {
super(name);
}
public void setUp() throws Exception {
if (runtime == null) {
runtime = Ruby.getDefaultInstance();
}
}
public void tearDown() {
super.tearDown();
}
public void testConstructors() throws Exception {
result = eval("p \"a\".index(/\\Ga/)");
assertEquals("0", result);
}
}
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