CODEWITHSUNDEEP
phpregex
mwweb
mwweb

Reputation: 7925

Remove everything between round brackets

How to Remove everything between round brackets?

I have this paragraph with multiple brackets inside.

Albert Einstein (/ˈælbərt ˈaɪnstaɪn/; {German} [ˈalbɐt ˈaɪnʃtaɪn] ( listen); 14 March 1879 – 18 April 1955) was a German-born theoretical physicist.

i tried: 

        $text = preg_replace("/\([^)]+\)/",' ',$text);
        $text = preg_replace('/\[.*?\]/', ' ', $text);

and the output is this:

Albert Einstein ; 14 March 1879 18 April 1955) was a German born theoretical physicist.

i want to remove everything inside and output this. 

 Albert Einstein was a German born theoretical physicist

Upvotes: 2

Views: 288

Answers (1)

Jerry
Jerry

Reputation: 71598

You can use a recursive regex in PHP:

(\((?:[^()]+|(?1))+\))\s*

The first capture group has: \((?:[^()]+|(?1))+\)

Inside the parens, you have (?:[^()]+|(?1))+, so that you have [^()]+ as first option, or (?1) which refers to the first capture group, meaning you can have that same group inside the parens, which is the recursion part.

Then \s* outside just to remove extra spaces if any. Might be actually better if you put one at the front as well and replace with a single space, but the ideal would be to remove any double space after the first substitution I believe.

regex101 demo

Upvotes: 1

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