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Editorial Team
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Asked: 2026-06-04T11:18:09+00:00

I would like to extract the strings between the following characters in the given

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I would like to extract the strings between the following characters in the given string using regex in Java:

/*
1) Between \" and \"   ===> 12222222222
2) Between :+ and @    ===> 12222222222
3) Between @ and >     ===> 192.168.140.1
*/

String remoteUriStr = "\"+12222222222\" <sip:+12222222222@192.168.140.1>";
String regex1 = "\"(.+?)\"";
String regex2 = ":+(.+?)@";
String regex3 = "@(.+?)>";

Pattern p = Pattern.compile(regex1);
Matcher matcher = p.matcher(remoteUri);
if (matcher.matches()) {
    title = matcher.group(1);
}

I am using the above given code snippet, its not able to extract the strings that I want it to. Am I doing anything wrong? Meanwhile, I am quite new to regex.

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1 Answer

  1. Editorial Team

    The matches() method attempts to match the regular expression against the entire string. If you want to match a part of the string, you want the find() method:

    if (matcher.find())

    You could, however, build a single regular expression to match all three parts at once:

    String regex = "\"(.+?)\" \\<sip:\\+(.+?)@(.+?)\\>";
Pattern p = Pattern.compile(regex);
Matcher matcher = p.matcher(remoteUriStr);
if (matcher.matches()) {
    title = matcher.group(1);
    part2 = matcher.group(2);
    ip = matcher.group(3);
}

    Demo: http://ideone.com/8t2EC

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