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## regex_golf.md

      
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                jonathanmorley
                / regex_golf.md
            
            
              Last active
              November 16, 2022 17:42
                — forked from jpsim/answers.md
            
              
                Best possible answers collected so far for [Regex golf](http://regex.alf.nu/). === WARNING: SPOILERS ===
              
          
    See Also:

HN Post
Regex Golf Answers (Gist)
Best known Regex Golf solutions (Gist)
Regex Golf (reddit)

Normal


Level
Score
Regex
Credit


## .block
license: gpl-3.0

## gist:5342839
function getCommonParent(el1,el2){

    var parents1 = [];
    var el = el1;
    while(el) {
        parents1.unshift(el);
        el = el.parentNode;
    }

    var parents2 = [];

## object-watch.js
/*
 * object.watch polyfill
 *
 * 2012-04-03
 *
 * By Eli Grey, http://eligrey.com
 * Public Domain.
 * NO WARRANTY EXPRESSED OR IMPLIED. USE AT YOUR OWN RISK.
 */
	function getCommonParent(el1,el2){

	var parents1 = [];
	var el = el1;
	while(el) {
	parents1.unshift(el);
	el = el.parentNode;
	}

	var parents2 = [];
	/*
	* object.watch polyfill
	*
	* 2012-04-03
	*
	* By Eli Grey, http://eligrey.com
	* Public Domain.
	* NO WARRANTY EXPRESSED OR IMPLIED. USE AT YOUR OWN RISK.
	*/