regex - remove exact match word from a string -

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मैं नीचे दिए वाक्य में "amp" शब्द को निकालना चाहता हूं।

मूल : 

  x & lt; - 'आओ *** amp *** यह सिर्फ फुकेत के पहले से ही बड़े पैमाने पर गलत व्याख्या को प्रोत्साहित करती है'   
  मुझे क्या चाहिए :  
  x   
 हालांकि, अगर मैंने  gsub  का इस्तेमाल किया है, तो "आम" के शब्द में "amp" को हटा दिया जाएगा जो कि मैं चाहता हूं कि ऐसा न हो। क्या मैं जान सकता हूँ कि इस मामले में मुझे किस फ़ंक्शन का उपयोग करना चाहिए?  
  & gt; जीसब ("एप", "", एक्स) [1] "इस पर आते हैं, सिर्फ फुकेत का पहले से ही शेख़ी गलतप्रदर्शन को प्रोत्साहित करता है"    
 
 
 आप इस regex का उपयोग कर सकते हैं:  
  gsub (" \\ bamp \\ b "," ", x) # [1]" इस पर आओ   
  \\ b  शब्द सीमा का अर्थ है।

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