javascript - How to replace all instances of a substring but only whole worlds in JS? -


उदाहरण के लिए यह फ़ंक्शन 

  फ़ंक्शन प्रतिस्थापित सभी (str, x, y) {return str .split (एक्स) .join (y); } Var x = "मेरी बिल्ली के पास टोपी है।";;  
 
 मेरी बिल्ली के सिर पर एक टोपी है          
 
  
 
   
 लेकिन मेरे साथ वापस जाना है  < Blockquote> 
 मेरी बिल्ली के सिर पर एक टोपी है।    
 
 
 अपने कार्य को परिभाषित करें जैसे शब्द सीमा regex के साथ:  
  फ़ंक्शन प्रतिस्थापन सभी (str, x, y) {वापसी str.split (नया RegExp ("\\ b" + x + "\\ b"))। (y) में शामिल होने के; }  
 
 तब: 
 
  repl = replaceAll (x, "at", "on") // = & gt; मेरी बिल्ली के सिर पर एक टोपी है

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