[:alpha:] can also be specified as ________(a) [A-Za-z0-9](b) [A-za-z](c) [A-z](d) [a-z]I have been asked this question in an interview for job.This question is from Strings and Regular Expressions in division Strings and Regular Expressions of PHP

[:alpha:] can also be specified as ________(a) [A-Za-z0-9](b) [A-za-z]

1.	[:alpha:] can also be specified as ________(a) [A-Za-z0-9](b) [A-za-z](c) [A-z](d) [a-z]I have been asked this question in an interview for job.This question is from Strings and Regular Expressions in division Strings and Regular Expressions of PHP
Answer» The correct OPTION is (b) [A-za-z] The EXPLANATION is: [:alpha:] is nothing but LOWERCASE and uppercase alphabetical CHARACTERS.

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