Get numeric or decimal value from string using java regular expression

Posted: April 18, 2013 in web

10% off -> will return 10
$0.0034 /kwh -> will return 0.00034

   private String getValue(String string) {
        Pattern pattern = Pattern.compile("(\\d+\\.\\d+)|(\\d+)");
        Matcher matcher = pattern.matcher(string);
        matcher.find();
        return matcher.group();
    }
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