PHP Regular Expressions Which among the following is/are not a metacharacter?1. /a2. /A3. /b4. /B 2 and 4 Only 1 1 and 3 2, 3 and 4 2 and 4 Only 1 1 and 3 2, 3 and 4 ANSWER DOWNLOAD EXAMIANS APP
PHP Regular Expressions How many functions does PHP offer for searching and modifying strings using Perl-compatible regular expressions. 9 7 10 8 9 7 10 8 ANSWER DOWNLOAD EXAMIANS APP
PHP Regular Expressions [:alpha:] can also be specified as. [A-Za-z0-9] [a-z] [A-za-z] [A-z] [A-Za-z0-9] [a-z] [A-za-z] [A-z] ANSWER DOWNLOAD EXAMIANS APP
PHP Regular Expressions Which one of the following functions can be used to concatenate array elements to form a single delimited string? implode() concatenate() explode() concat() implode() concatenate() explode() concat() ANSWER DOWNLOAD EXAMIANS APP
PHP Regular Expressions Which one of the following preg PHP function is used to do a find and replace on a string or an array? preg_find_replace() preg_find() preg_findre() preg_replace() preg_find_replace() preg_find() preg_findre() preg_replace() 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([2]=>two [3]=>three [4]=>four) Array([0]=>0 [1]=>1 [2]=>two [3]=>three [4]=>four [5]=>5) Array([0]=>0 [1]=>1 [5]=>5) Array([1]=> 1) Array([2]=>two [3]=>three [4]=>four) Array([0]=>0 [1]=>1 [2]=>two [3]=>three [4]=>four [5]=>5) ANSWER DOWNLOAD EXAMIANS APP