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_replace()

preg_find_replace()

preg_find()

TRUE ANSWER : ?
YOUR ANSWER : ?

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

2 and 4

2, 3 and 4

Only 1

1 and 3

TRUE ANSWER : ?
YOUR ANSWER : ?

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 [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)

TRUE ANSWER : ?
YOUR ANSWER : ?

What will be the output of the following PHP code? $str = "Hello! My name is Cameron Fox. Coffee?"; $find = array('/is/','/coffee/'); $replace = array('/was/','/tea/'); echo preg_replace ($find, $replace, $str);

Hello! My name was Cameron Fox. Coffee?

Hello! My name was Cameron Fox. tea?

Hello! My name is Cameron Fox. Coffee?

Hello! My name is Cameron Fox. tea?

TRUE ANSWER : ?
YOUR ANSWER : ?

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

Salad is good

SaladSaladSaladSaladSalad is good

is good SaladSaladSaladSaladSalad

is good Salad

TRUE ANSWER : ?
YOUR ANSWER : ?

Which one of the following functions finds the last occurrence of a string, returning its numerical position?

strrpos()

strpos()

strlastpos()

strlast()

TRUE ANSWER : ?
YOUR ANSWER : ?

[:alpha:] can also be specified as.

[A-Za-z0-9]

[a-z]

[A-z]

[A-za-z]

TRUE ANSWER : ?
YOUR ANSWER : ?

PHP has long supported two regular expression implementations known as _ and _. 1. Perl 2. PEAR 3. Pearl 4. POSIX

2 and 3

1 and 2

1 and 4

2 and 4

TRUE ANSWER : ?
YOUR ANSWER : ?

What will be the output of the following PHP code? $text = "this istsome text thatnwe might like to parse."; print_r(split("[nt]",$text));

[0] => this is [1] => some text that [2] => we might like to parse.

Array ( [0] => this is [1] => some text that [2] => we might like to parse. )

this is some text that we might like to parse.

Array ( [0] => some text that [1] => we might like to parse. )

TRUE ANSWER : ?
YOUR ANSWER : ?

POSIX stands for

Portative Operating System Interface for Unix

Portative Operating System Interface for Linux

Portable Operating System Interface for Linux

Portable Operating System Interface for Unix

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?

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/>$number = array(0,1,two,three,four,5);<br/>$num = preg_grep("/[0-5]/", $number);<br/>print_r($num);

What will be the output of the following PHP code?<br/>$str = "Hello! My name is Cameron Fox. Coffee?";<br/>$find = array('/is/','/coffee/');<br/>$replace = array('/was/','/tea/');<br/>echo preg_replace ($find, $replace, $str);

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

Which one of the following functions finds the last occurrence of a string, returning its numerical position?

[:alpha:] can also be specified as.

PHP has long supported two regular expression implementations known as _ and _.<br/>1. Perl<br/>2. PEAR<br/>3. Pearl<br/>4. POSIX

What will be the output of the following PHP code?<br/>$text = "this istsome text thatnwe might like to parse.";<br/>print_r(split("[nt]",$text));

POSIX stands for