PHP REGULAR EXPRESSIONS QUIZ

How many functions does PHP offer for searching and modifying strings using Perl-compatible regular expressions.

9

8

10

7

TRUE ANSWER : ?
YOUR ANSWER : ?

Parameter flags was added in which version of PHP?

PHP 4.1

PHP 4.3

PHP 4.0

PHP 4.2

TRUE ANSWER : ?
YOUR ANSWER : ?

What will be the output of the following PHP code? $author = "nachiketh@example.com"; $author = str_replace("a","@",$author); echo "Contact the author of this article at $author.";

Contact the author of this article at n@chiketh@ex@mple.com

Contact the author of this article at nachiketh@ex@mple.com

Error

Cont@ct the @uthor of this @rticle @t n@chiketh@ex@mple.com

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 : ?

[:alpha:] can also be specified as.

[a-z]

[A-Za-z0-9]

[A-za-z]

[A-z]

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following would be a potential match for the Perl-based regular expression /fo{2,4}/ ? 1. fol 2. fool 3. fooool 4. fooooool

Only 1

2 and 3

1, 3 and 4

1 and 4

TRUE ANSWER : ?
YOUR ANSWER : ?

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

uppercase()

str_uppercase()

struppercase()

strtoupper()

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?

preg_find()

preg_replace()

preg_findre()

preg_find_replace()

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));

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

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

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 : ?

How many functions does PHP offer for searching and modifying strings using Perl-compatible regular expressions.

Parameter flags was added in which version of PHP?

What will be the output of the following PHP code?<br/>$author = "nachiketh@example.com";<br/>$author = str_replace("a","@",$author);<br/>echo "Contact the author of this article at $author.";

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

[:alpha:] can also be specified as.

Which of the following would be a potential match for the Perl-based regular expression /fo{2,4}/ ?<br/>1. fol<br/>2. fool<br/>3. fooool<br/>4. fooooool

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

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

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?