Code example for Matcher

Methods: findgroupgroupCount

0
        if (str == null) {
            return null; 
        } 
 
        Matcher m = pattern.matcher(str);
        if (m.find() && m.groupCount() > 0) {
            return m.group(groupIndex);
        } 
 
        return null; 
    } 
} 
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