PHP REGULAR EXPRESSIONS QUIZ

Which one of the following is not a preg PHP function?

preg_matchall

preg_split

preg_match_all

preg_match

TRUE ANSWER : ?
YOUR ANSWER : ?

POSIX stands for

Portative Operating System Interface for Unix

Portable Operating System Interface for Linux

Portative Operating System Interface for Linux

Portable Operating System Interface for Unix

TRUE ANSWER : ?
YOUR ANSWER : ?

Which one of the following preg PHP functions is used to take a string, and put it in an array?

preg_destroy()

preg_divide()

preg_split()

preg_unchain()

TRUE ANSWER : ?
YOUR ANSWER : ?

How many functions does PHP offer for searching strings using POSIX style regular expression?

9

10

7

8

TRUE ANSWER : ?
YOUR ANSWER : ?

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] => potatoes )

Array ( [0] => pasta [1] => steak [2] => fish [3] => potatoes )

Array ( [3] => potatoes )

TRUE ANSWER : ?
YOUR ANSWER : ?

Which one of the following functions is used to search a string?

preg_find

preg_match

preg_found

preg_search

TRUE ANSWER : ?
YOUR ANSWER : ?

POSIX implementation was deprecated in which version of PHP?

PHP 5.3

PHP 5

PHP 4

PHP 5.2

TRUE ANSWER : ?
YOUR ANSWER : ?

Which among the following is/are not a metacharacter? 1. /a 2. /A 3. /b 4. /B

Only 1

2, 3 and 4

1 and 3

2 and 4

TRUE ANSWER : ?
YOUR ANSWER : ?

What will be the output of the following PHP code? $url = "contact@examians.com"; echo ltrim(strstr($url, "@"),"@");

contact@examians.com

contact@

examians.com

contact

TRUE ANSWER : ?
YOUR ANSWER : ?

What will be the output of the following PHP code? $username = "jasoN"; if (ereg("([^a-z])",$username)) echo "Username must be all lowercase!"; else echo "Username is all lowercase!";

Error

Username is all lowercase!

Username must be all lowercase!

No Output is returned

TRUE ANSWER : ?
YOUR ANSWER : ?

Which one of the following is not a preg PHP function?

POSIX stands for

Which one of the following preg PHP functions is used to take a string, and put it in an array?

How many functions does PHP offer for searching strings using POSIX style regular expression?

What will be the output of the following PHP code?<br/>$foods = array("pasta", "steak", "fish", "potatoes");<br/>$food = preg_grep("/^s/", $foods);<br/>print_r($food);

Which one of the following functions is used to search a string?

POSIX implementation was deprecated in which version of PHP?

Which among the following is/are not a metacharacter?<br/>1. /a<br/>2. /A<br/>3. /b<br/>4. /B

What will be the output of the following PHP code?<br/>$url = "contact@examians.com";<br/>echo ltrim(strstr($url, "@"),"@");

What will be the output of the following PHP code?<br/>$username = "jasoN";<br/>if (ereg("([^a-z])",$username))<br/>echo "Username must be all lowercase!";<br/>else<br/>echo "Username is all lowercase!";