PHP Regular Expressions PHP has long supported two regular expression implementations known as _______ and _______.1. Perl2. PEAR3. Pearl4. POSIX 1 and 4 2 and 4 1 and 2 2 and 3 1 and 4 2 and 4 1 and 2 2 and 3 ANSWER DOWNLOAD EXAMIANS APP
PHP Regular Expressions Which among the following is/are not a metacharacter?1. /a2. /A3. /b4. /B 1 and 3 2 and 4 2, 3 and 4 Only 1 1 and 3 2 and 4 2, 3 and 4 Only 1 ANSWER DOWNLOAD EXAMIANS APP
PHP Regular Expressions How many functions does PHP offer for searching strings using POSIX style regular expression? 7 10 8 9 7 10 8 9 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 of the following would be a potential match for the Perl-based regular expression /fo{2,4}/ ?1. fol2. fool3. fooool4. fooooool Only 1 2 and 3 1 and 4 1, 3 and 4 Only 1 2 and 3 1 and 4 1, 3 and 4 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 ( [3] => potatoes ) Array ( [0] => pasta [1] => steak [2] => fish [3] => potatoes ) Array ( [0] => potatoes ) Array ( [1] => steak ) Array ( [3] => potatoes ) Array ( [0] => pasta [1] => steak [2] => fish [3] => potatoes ) Array ( [0] => potatoes ) Array ( [1] => steak ) ANSWER DOWNLOAD EXAMIANS APP
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