5 lines
		
	
	
		
			160 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			5 lines
		
	
	
		
			160 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
| 'use strict';
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| const regex = '[\uD800-\uDBFF][\uDC00-\uDFFF]';
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| 
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| module.exports = opts => opts && opts.exact ? new RegExp(`^${regex}$`) : new RegExp(regex, 'g');
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