CODEWITHSUNDEEP
javascriptregex
Mike Mengell
Mike Mengell

Reputation: 2398

JavaScript Split Regular Expression keep the delimiter

Using JavaScript I'm trying to split a paragraph into it's sentences using regular expressions. My regular expression doesn't account for a sentence being inside brackets and I would like to keep the delimiter.

I've put an example of the code in jsFiddle.net here

Upvotes: 1

Views: 5484

Answers (3)

Fry
Fry

Reputation: 325

use the (?=pattern) lookahead pattern in the regex example

var string = '500x500-11*90~1+1';
string = string.replace(/(?=[$-/:-?{-~!"^_`\[\]])/gi, ",");
string = string.split(",");

this will give you the following result.

[ '500x500', '-11', '*90', '~1', '+1' ]

Can also be directly split

string = string.split(/(?=[$-/:-?{-~!"^_`\[\]])/gi);

giving the same result

[ '500x500', '-11', '*90', '~1', '+1' ]

Upvotes: 1

wiky
wiky

Reputation: 6228

@Utkanos You idea is good, but I think replace may better:

text.replace(/\(?[A-Z][^\.]+[\.!\?]\)?/g, function (sentence) {
    output += '<p>'+ sentence + '</p>';
});

http://jsfiddle.net/juGT7/1/

You no need to loop again.

Upvotes: 1

Mitya
Mitya

Reputation: 34556

I took the match approach rather than split. It could be tighter (e.g. what if a sentence ends with ..., etc).

text.match(/\(?[A-Z][^\.]+[\.!\?]\)?(\s+|$)/g);

http://jsfiddle.net/DepKF/1/

Upvotes: 4

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