Match a word using regex that also handles apostrophes

Match a word using regex that also handles apostrophes

References

Reference NO 1

http://stackoverflow.com/questions/13632679/match-a-word-using-regex-that-also-handles-apostrophes

Reference NO 2

http://stackoverflow.com/questions/11341352/match-word-but-not-wordapostrophe-regex

Reference NO 3

http://stackoverflow.com/questions/17025079/apostrophe-as-part-of-a-word-with-regexp-in-matlab

Reference NO 4

http://stackoverflow.com/questions/10516468/java-regular-expression-alphabetic-with-spaces-and-apostrophe

Reference NO 5

http://stackoverflow.com/questions/17486765/regex-apostrophe-how-to-match

Reference NO 6

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Reference NO 7

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Reference NO 8

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