Question:Which of the following regular expressions can be used to check the validity of an e-mail address?
A ^[^@ ]+@[^@ ]+\.[^@ ]+$ B ^[^@ ]+@[^@ ]+.[^@ ]+$ C $[^@ ]+@[^@]+\.[^@ ]+^ D $[^@ ]+@[^@]+.[^@ ]+^
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