PHP Regular Expressions Which among the following is/are not a metacharacter?1. /a2. /A3. /b4. /B Only 1 2 and 4 2, 3 and 4 1 and 3 Only 1 2 and 4 2, 3 and 4 1 and 3 ANSWER DOWNLOAD EXAMIANS APP
PHP Regular Expressions [:alpha:] can also be specified as. [a-z] [A-Za-z0-9] [A-z] [A-za-z] [a-z] [A-Za-z0-9] [A-z] [A-za-z] ANSWER DOWNLOAD EXAMIANS APP
PHP Regular Expressions What will be the output of the following PHP code?$number = array(0,1,two,three,four,5);$num = preg_grep("/[0-5]/", $number);print_r($num); Array([0]=>0 [1]=>1 [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 [1]=>1 [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) 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]/”, $number, PREG_GREP_INVERT);? Array([0]=>0 [1]=>1 [2]=>two [3]=>three [4]=>four [5]=>5) Array([2]=>two [3]=>three [4]=>four) Array([0]=>0 [5]=>5) Array([1]=> 1) Array([0]=>0 [1]=>1 [2]=>two [3]=>three [4]=>four [5]=>5) Array([2]=>two [3]=>three [4]=>four) Array([0]=>0 [5]=>5) Array([1]=> 1) ANSWER DOWNLOAD EXAMIANS APP
PHP Regular Expressions What will be the output of the following PHP code?$url = "contact@examians.com";echo ltrim(strstr($url, "@"),"@"); contact contact@examians.com examians.com contact@ contact contact@examians.com examians.com contact@ ANSWER DOWNLOAD EXAMIANS APP
PHP Regular Expressions What will be the output of the following PHP code?$foods = array("pasta", "steak", "fish", "potatoes");$food = preg_grep("/^s/", $foods);print_r($food); Array ( [1] => steak ) Array ( [0] => pasta [1] => steak [2] => fish [3] => potatoes ) Array ( [0] => potatoes ) Array ( [3] => potatoes ) Array ( [1] => steak ) Array ( [0] => pasta [1] => steak [2] => fish [3] => potatoes ) Array ( [0] => potatoes ) Array ( [3] => potatoes ) ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS