How to find string pattern in Java

Question

Here is a string like this in Java.

String string="abc$[A]$def$[B]$ghi";

I want to search words that are located in $[*]$ pattern. The result of above the string is A, B.

Regex is any good to you?

user69820
– user69820

2012-09-28 08:13:19 +00:00
Commented Sep 28, 2012 at 8:13 — user69820
– user69820, Commented Sep 28, 2012 at 8:13

Nishant · Accepted Answer · 2012-09-28 08:18:38Z

7

    String s = "abc$[A]$def$[B]$ghi";
    Pattern p = Pattern.compile("\\$\\[.*?\\]\\$");
    Matcher m = p.matcher(s);
    while(m.find()){
        String b =  m.group();
        System.out.println(">> " +b.substring(2, b.length()-2));
    }

answered Sep 28, 2012 at 8:18

Nishant

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dteoh · Accepted Answer · 2012-09-28 08:13:21Z

0

Use a regular expression. In Java, you can use the Pattern class.

answered Sep 28, 2012 at 8:13

dteoh

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Philipp · Accepted Answer · 2012-09-28 08:13:43Z

0

You could use regular expressions for that. Take a look at the classes Pattern and Matcher.

The regular expression you would use in that case would be:

\$\[.*?\]\$

Alternatively, you could work with String.indexOf and String.substr.

answered Sep 28, 2012 at 8:13

Philipp

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