How to split string using regular expression in java

Question

I have a string contains multi language text as follow

{|en|}Audio Albums{|/en|}{|ar|}الألبومات الصوتية{|/ar|}

I need a function to get the text of specific language

getText("en") should returns Audio Albums

I think I have to use regular expression.

This sounds more like you want a better String format and use a corresponding parser. For example csv (or dsv) or JSON etc. — Tom
– Tom, Commented Oct 28, 2015 at 18:58
Unfortunately, I must working with this format because it comes form API — Mohamad Shaker
– Mohamad Shaker, Commented Oct 28, 2015 at 19:02

Zbynek Vyskovsky - kvr000 · Accepted Answer · 2015-10-28 19:56:10Z

1

This should work:

Pattern pattern = Pattern.compile("\{\|"+lang+"\\|\\}(.*)\\{\\|/"+lang+"\|\}");
Matcher matcher = pattern.matcher(content);
return matcher.find() ? matcher.group(1) : null;

edited Oct 28, 2015 at 19:56

answered Oct 28, 2015 at 19:01

Zbynek Vyskovsky - kvr000

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5 Comments

Mohamad Shaker Over a year ago

I tried \\{\\|ar\\|\\}(.*?)\\{\\|/ar\\|\\} regular expression and it returns null

Casimir et Hippolyte Over a year ago

use the find method instead

Zbynek Vyskovsky - kvr000 Over a year ago

Added .* at the beginning and end. find() however should work too..., thanks Casimir.

Casimir et Hippolyte Over a year ago

Adding .* is a bad idea and will generate a lot of backtracking for nothing. see the number of steps with and without: regex101.com/r/qF6dC8/1

Mohamad Shaker Over a year ago

@Casimir you are right I used find function instead and it worked, I don't need to use .* at the beginning and end

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