PHP REGULAR EXPRESSIONS QUIZ

Which one of the following preg PHP function is used to do a find and replace on a string or an array?

preg_findre()

preg_find_replace()

preg_find()

preg_replace()

TRUE ANSWER : ?
YOUR ANSWER : ?

Parameter flags was added in which version of PHP?

PHP 4.3

PHP 4.2

PHP 4.1

PHP 4.0

TRUE ANSWER : ?
YOUR ANSWER : ?

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

preg_match

preg_find

preg_search

preg_found

TRUE ANSWER : ?
YOUR ANSWER : ?

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

Only 1

1 and 3

2 and 4

2, 3 and 4

TRUE ANSWER : ?
YOUR ANSWER : ?

Say we have two compare two strings which of the following function/functions can you use? 1. strcmp() 2. strcasecmp() 3. strspn() 4. strcspn()

None of the mentioned

All of the mentioned

1 and 2

3 and 4

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YOUR ANSWER : ?

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

preg_unchain()

preg_divide()

preg_destroy()

preg_split()

TRUE ANSWER : ?
YOUR ANSWER : ?

What will be the output of the following PHP code? echo str_pad("Salad", 5)." is good.";

is good Salad

Salad is good

is good SaladSaladSaladSaladSalad

SaladSaladSaladSaladSalad is good

TRUE ANSWER : ?
YOUR ANSWER : ?

Which one of the following regular expression matches any string containing zero or one p?

p*

p+

p#

P?

TRUE ANSWER : ?
YOUR ANSWER : ?

What will be the output of the following PHP code? $line = "You like dogs. I hate dogs. We should marry." $sen = preg_split('/./', $line); print_r($sen);

Array([0]=>You like dogs. I hate dogs. We should marry.)

You like dogs. I hate dogs. We should marry.

Array([0]=>You like dogs. [1]=>I hate dogs. [2]=>We should marry.)

Error

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

Array ( [0] => potatoes )

Array ( [3] => potatoes )

TRUE ANSWER : ?
YOUR ANSWER : ?

Which one of the following preg PHP function is used to do a find and replace on a string or an array?

Parameter flags was added in which version of PHP?

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

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

Say we have two compare two strings which of the following function/functions can you use?<br/>1. strcmp()<br/>2. strcasecmp()<br/>3. strspn()<br/>4. strcspn()

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

What will be the output of the following PHP code?<br/>echo str_pad("Salad", 5)." is good.";

Which one of the following regular expression matches any string containing zero or one p?

What will be the output of the following PHP code?<br/>$line = "You like dogs. I hate dogs. We should marry."<br/>$sen = preg_split('/./', $line);<br/>print_r($sen);

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);