Examples of java.util.regex.MatchResult.group()

java.util.regex.MatchResult.group()
Returns the input subsequence matched by the previous match.
For a matcher m with input sequence s, the expressions m.group() and s.substring(m.start(), m.end()) are equivalent.

Note that some patterns, for example a*, match the empty string. This method will return the empty string when the pattern successfully matches the empty string in the input.
@return The (possibly empty) subsequence matched by the previous match,in string form @throws IllegalStateException If no match has yet been attempted, or if the previous match operation failed


        while (source.hasMore()) {
            MatchResult m = null;


            if ((m = source.scan(SPACE)) != null) {
                encoder.textToken(m.group(), TokenType.space);
            }
            else if (media_blocks(source, encoder, value_expected, state)) {


            }
            else if ((m = source.scan(COMMENT)) != null) {

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            }
            else if (media_blocks(source, encoder, value_expected, state)) {


            }
            else if ((m = source.scan(COMMENT)) != null) {
                encoder.textToken(m.group(), TokenType.comment);
            }
            else if ((m = source.scan(BRACKET_OPEN)) != null) {
                value_expected = false;
                encoder.textToken(m.group(), TokenType.operator);
                state.push(State.block);

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            else if ((m = source.scan(COMMENT)) != null) {
                encoder.textToken(m.group(), TokenType.comment);
            }
            else if ((m = source.scan(BRACKET_OPEN)) != null) {
                value_expected = false;
                encoder.textToken(m.group(), TokenType.operator);
                state.push(State.block);
            }
            else if ((m = source.scan(BRACKET_CLOSE)) != null) {
                value_expected = false;
                encoder.textToken(m.group(), TokenType.operator);

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                encoder.textToken(m.group(), TokenType.operator);
                state.push(State.block);
            }
            else if ((m = source.scan(BRACKET_CLOSE)) != null) {
                value_expected = false;
                encoder.textToken(m.group(), TokenType.operator);
                if (state.peek() == State.block || state.peek() == State.media) {
                    state.pop();
                }
            }
            else if ((m = source.scan(STRING)) != null) {

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                    state.pop();
                }
            }
            else if ((m = source.scan(STRING)) != null) {
                encoder.beginGroup(TokenType.string);
                encoder.textToken(m.group().substring(0, 1), TokenType.delimiter);
                if (m.group().length() > 2) {
                    encoder.textToken(m.group().substring(1, m.group().length() - 1), TokenType.content);
                }
                if (m.group().length() >= 2) {
                    encoder.textToken(m.group().substring(m.group().length() - 1), TokenType.delimiter);

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                }
            }
            else if ((m = source.scan(STRING)) != null) {
                encoder.beginGroup(TokenType.string);
                encoder.textToken(m.group().substring(0, 1), TokenType.delimiter);
                if (m.group().length() > 2) {
                    encoder.textToken(m.group().substring(1, m.group().length() - 1), TokenType.content);
                }
                if (m.group().length() >= 2) {
                    encoder.textToken(m.group().substring(m.group().length() - 1), TokenType.delimiter);
                }

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            }
            else if ((m = source.scan(STRING)) != null) {
                encoder.beginGroup(TokenType.string);
                encoder.textToken(m.group().substring(0, 1), TokenType.delimiter);
                if (m.group().length() > 2) {
                    encoder.textToken(m.group().substring(1, m.group().length() - 1), TokenType.content);
                }
                if (m.group().length() >= 2) {
                    encoder.textToken(m.group().substring(m.group().length() - 1), TokenType.delimiter);
                }
                encoder.endGroup(TokenType.string);

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            }
            else if ((m = source.scan(STRING)) != null) {
                encoder.beginGroup(TokenType.string);
                encoder.textToken(m.group().substring(0, 1), TokenType.delimiter);
                if (m.group().length() > 2) {
                    encoder.textToken(m.group().substring(1, m.group().length() - 1), TokenType.content);
                }
                if (m.group().length() >= 2) {
                    encoder.textToken(m.group().substring(m.group().length() - 1), TokenType.delimiter);
                }
                encoder.endGroup(TokenType.string);

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                encoder.beginGroup(TokenType.string);
                encoder.textToken(m.group().substring(0, 1), TokenType.delimiter);
                if (m.group().length() > 2) {
                    encoder.textToken(m.group().substring(1, m.group().length() - 1), TokenType.content);
                }
                if (m.group().length() >= 2) {
                    encoder.textToken(m.group().substring(m.group().length() - 1), TokenType.delimiter);
                }
                encoder.endGroup(TokenType.string);
            }
            else if ((m = source.scan(FUNCTION)) != null) {

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                encoder.textToken(m.group().substring(0, 1), TokenType.delimiter);
                if (m.group().length() > 2) {
                    encoder.textToken(m.group().substring(1, m.group().length() - 1), TokenType.content);
                }
                if (m.group().length() >= 2) {
                    encoder.textToken(m.group().substring(m.group().length() - 1), TokenType.delimiter);
                }
                encoder.endGroup(TokenType.string);
            }
            else if ((m = source.scan(FUNCTION)) != null) {
                encoder.beginGroup(TokenType.function);

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