PHP Regular Expressions PHP has long supported two regular expression implementations known as _______ and _______.1. Perl2. PEAR3. Pearl4. POSIX 2 and 4 1 and 2 2 and 3 1 and 4 2 and 4 1 and 2 2 and 3 1 and 4 ANSWER DOWNLOAD EXAMIANS APP
PHP Regular Expressions Which one of the following functions finds the last occurrence of a string, returning its numerical position? strlastpos() strpos() strrpos() strlast() strlastpos() strpos() strrpos() strlast() ANSWER DOWNLOAD EXAMIANS APP
PHP Regular Expressions Which of the following would be a potential match for the Perl-based regular expression /fo{2,4}/ ?1. fol2. fool3. fooool4. fooooool Only 1 1, 3 and 4 1 and 4 2 and 3 Only 1 1, 3 and 4 1 and 4 2 and 3 ANSWER DOWNLOAD EXAMIANS APP
PHP Regular Expressions POSIX stands for Portable Operating System Interface for Unix Portative Operating System Interface for Linux Portative Operating System Interface for Unix Portable Operating System Interface for Linux Portable Operating System Interface for Unix Portative Operating System Interface for Linux Portative Operating System Interface for Unix Portable Operating System Interface for Linux ANSWER DOWNLOAD EXAMIANS APP
PHP Regular Expressions What will be the output if we replace the line $num = preg_grep(“/[0-5]/”, $number); with $num = preg_grep(“/[0-5]/”, $number, PREG_GREP_INVERT);? Array([2]=>two [3]=>three [4]=>four) Array([0]=>0 [5]=>5) Array([1]=> 1) Array([0]=>0 [1]=>1 [2]=>two [3]=>three [4]=>four [5]=>5) Array([2]=>two [3]=>three [4]=>four) Array([0]=>0 [5]=>5) Array([1]=> 1) Array([0]=>0 [1]=>1 [2]=>two [3]=>three [4]=>four [5]=>5) ANSWER DOWNLOAD EXAMIANS APP
PHP Regular Expressions What will be the output of the following PHP code?$username = "jasoN";if (ereg("([^a-z])",$username))echo "Username must be all lowercase!";elseecho "Username is all lowercase!"; Username is all lowercase! Username must be all lowercase! Error No Output is returned Username is all lowercase! Username must be all lowercase! Error No Output is returned ANSWER DOWNLOAD EXAMIANS APP
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