13 lines
		
	
	
		
			251 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			13 lines
		
	
	
		
			251 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
var MATCH = require('./_wks')('match');
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module.exports = function (KEY) {
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  var re = /./;
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  try {
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    '/./'[KEY](re);
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  } catch (e) {
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    try {
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      re[MATCH] = false;
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      return !'/./'[KEY](re);
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    } catch (f) { /* empty */ }
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  } return true;
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};
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