notepad++ regular expression remove all text between curly brackets

Question

function get_last_word($sentance){
    $wordArr = explode(' ', $sentance);
    $last_word = trim($wordArr[count($wordArr) - 1]);
    runDebug( __FILE__, __FUNCTION__, __LINE__, "Sentance: $sentance. Last word:$last_word",4);
    return $last_word;
}

i want to remove all text between {} result should be:

function get_last_word($sentance){}

i have tried

{+.*}

and its working only when curly brackets are on same line

Solution 1

Newer version of Notepad++ supports multi-line matching (I am now using 6.1.3)

In the Find/Replace dialog, next to the "Regular Expression" radio button, there is a checkbox called ". matches newline" which means multi-line matching.

Then, use \{.*?\} (which is a ungreedy match) to achieve what you want.

Beware that it does not match braces for you. For example

foo {
  bar {
    blabalbla
  }
  xxx {
    yyy
  }
}

will give you

foo {}
  xxx {
    yyy
  }
}

(I believe there are other questions in SO about brace matching in regex, you may have a look, though I wonder if they will work in notepad++)

Solution 2

You should be fine when you just replace \{[^{}]+\} with {}, repeatedly...

Solution 3

Try

(?<=\{)[^}]+(?=\})

this will match anything that falls between { and }