On 8 April 2014 12:14, manoj mokashi <[email protected]> wrote:
> hi,
>
> do we have something like the below already ?
> if not, would like to contribute to commons, maybe StringUtils ?
Just curious - what is the use case for this?
What does the method return if there are no matches?
> /**
> * Matches a string to a regex and returns the matches as String[][],
> * each row is a match, each column a group
> * @param source : string to be matched
> * @param regex : regex to be matched
> * @return : String[][] containing matches
> */
> public static String[][] getMatches( String source, String regex){
> Pattern pattern = Pattern.compile( regex);
> Matcher m = pattern.matcher( source);
> List<String[]> matches = new ArrayList();
> int numGroups = m.groupCount();
> while( m.find()){
> // group 0 is the full match
> String[] groups = new String[numGroups+1];
> for( int i=0;i<=numGroups; i++){
> groups[i] = m.group(i);
> }
> matches.add( groups);
> }
> String[][] arrMatches = new String[matches.size()][numGroups];
> return matches.toArray( arrMatches );
> }
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