PHP REGULAR EXPRESSIONS QUIZ

POSIX stands for

Portable Operating System Interface for Unix

Portative Operating System Interface for Unix

Portable Operating System Interface for Linux

Portative Operating System Interface for Linux

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Which one of the following functions will convert a string to all uppercase?

struppercase()

strtoupper()

uppercase()

str_uppercase()

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

2 and 4

1 and 3

Only 1

2, 3 and 4

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

SaladSaladSaladSaladSalad is good

is good Salad

is good SaladSaladSaladSaladSalad

Salad is good

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

this is some text that we might like to parse.

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

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

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

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

preg_found

preg_find

preg_search

preg_match

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Parameter flags was added in which version of PHP?

PHP 4.0

PHP 4.3

PHP 4.2

PHP 4.1

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[:alpha:] can also be specified as.

[A-za-z]

[A-Za-z0-9]

[a-z]

[A-z]

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

P?

p#

p+

p*

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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@

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POSIX stands for

Which one of the following functions will convert a string to all uppercase?

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/>echo str_pad("Salad", 5)." is good.";

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));

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

Parameter flags was added in which version of PHP?

[:alpha:] can also be specified as.

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/>$url = "contact@examians.com";<br/>echo ltrim(strstr($url, "@"),"@");