regex - Get last segment IP address -


बैश में मैं एक आईपी पते के अंतिम खंड को 

  $ A = "10.10.10.46" $ प्रतिध्वनि $ {A ## *।} 46

क्या पेर्ल में कुछ समान आसान हो सकता है?

आप मिलान संख्याओं से स्ट्रिंग के अंत तक अंतिम ओकटेट प्राप्त कर सकते हैं, 

  मेरी $ ए = "10.10.10.46"; प्रिंट $ 1 अगर $ ए = ~ / ([0- 9] +) $ /;

या डॉट चार पर विभाजित करके और अंतिम सूची तत्व का चयन करके, 

  मेरी $ num = (split /[.]/, $ A) [- 1];

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