I have some code using Oracle regex that I want to port to GWT.
public static void main( String[] args )
{
String expression = "(abc)|(def)";
String source = "abcdef";
Pattern pattern = Pattern.compile(expression);
Matcher matcher = pattern.matcher(source);
while (matcher.find())
{
if (matcher.start(1) != -1)
{
// it's an "abc" match
}
else if (matcher.start(2) != -1)
{
// it's a "def" match
}
else
{
// error
continue;
}
int start = matcher.start();
int end = matcher.end();
String substring = source.substring(start, end);
System.out.println(substring);
}
}
I’ve tried porting it to the GWT regexp library, but it uses capturing
groups through the start(int) method, which doesn’t seem to be supported in
GWT regexp.
Is there a way to simulate this behaviour?
Oracle regex:
http://docs.oracle.com/javase/1.5.0/docs/api/java/util/regex/package-summary.html
GWT regexp:
http://google-web-toolkit.googlecode.com/svn/javadoc/2.1/com/google/gwt/regexp/shared/package-summary.html
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