Print first letter of each word in a string using regex
Given a string, extract the first letter of each word in it. “Words” are defined as contiguous strings of alphabetic characters i.e. any upper or lower case characters a-z or A-Z.
Input : Geeks for geeks Output :Gfg Input : United Kingdom Output : UK
First letter of each word from string "Geeks for Geeks" : GfG First letter of each word from string "A Computer Science Portal for Geeks" : ACSPfG
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