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 1 and 4 2 and 3 Only 1 1, 3 and 4 1 and 4 2 and 3 Only 1 1, 3 and 4 ANSWER DOWNLOAD EXAMIANS APP
PHP Regular Expressions Parameter flags was added in which version of PHP? PHP 4.0 PHP 4.2 PHP 4.3 PHP 4.1 PHP 4.0 PHP 4.2 PHP 4.3 PHP 4.1 ANSWER DOWNLOAD EXAMIANS APP
PHP Regular Expressions [:alpha:] can also be specified as. [A-z] [a-z] [A-Za-z0-9] [A-za-z] [A-z] [a-z] [A-Za-z0-9] [A-za-z] ANSWER DOWNLOAD EXAMIANS APP
PHP Regular Expressions Which one of the following regular expression matches any string containing zero or one p? p* P? p+ p# p* P? p+ p# ANSWER DOWNLOAD EXAMIANS APP
PHP Regular Expressions How many functions does PHP offer for searching strings using POSIX style regular expression? 8 9 10 7 8 9 10 7 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([0]=>0 [1]=>1 [2]=>two [3]=>three [4]=>four [5]=>5) Array([1]=> 1) Array([2]=>two [3]=>three [4]=>four) Array([0]=>0 [5]=>5) Array([0]=>0 [1]=>1 [2]=>two [3]=>three [4]=>four [5]=>5) Array([1]=> 1) ANSWER DOWNLOAD EXAMIANS APP