Regular Expressions - 1,2

Beschreibung

Quiz am Regular Expressions - 1,2, erstellt von Zarina Kiyakhmetova am 20/12/2018.
Zarina Kiyakhmetova
Quiz von Zarina Kiyakhmetova , aktualisiert more than 1 year ago
Zarina Kiyakhmetova
Erstellt von Zarina Kiyakhmetova vor fast 6 Jahre
138
2

Zusammenfassung der Ressource

Frage 1

Frage
PHP has long supported two regular expression implementations known as _______ and _______ i) Perl ii) PEAR iii) Pearl iv) POSIX
Antworten
  • a) i) and ii)
  • b) ii) and iv)
  • c) i) and iv)
  • d) ii) and iii)

Frage 2

Frage
Which one of the following regular expression matches any string containing zero or one p?
Antworten
  • a) p+
  • b) p*
  • c) P?
  • d) p#

Frage 3

Frage
[:alpha:] can also be specified as..
Antworten
  • a) [A-Za-z0-9].
  • b) [A-za-z].
  • c) [A-z].
  • d) [a-z].

Frage 4

Frage
How many functions does PHP offer for searching strings using POSIX style regular expression?
Antworten
  • a) 7
  • b) 8
  • c) 9
  • d) 10

Frage 5

Frage
What will be the output of the following PHP code?
Antworten
  • a) Error
  • b) Username must be all lowercase!
  • c) Username is all lowercase!
  • d) No Output is returned

Frage 6

Frage
POSIX implementation was deprecated in which version of PHP?
Antworten
  • a) PHP 4
  • b) PHP 5
  • c) PHP 5.2
  • d) PHP 5.3

Frage 7

Frage
POSIX stands for
Antworten
  • a) Portable Operating System Interface for Unix
  • b) Portable Operating System Interface for Linux
  • c) Portative Operating System Interface for Unix
  • d) Portative Operating System Interface for Linux

Frage 8

Frage
What will be the output of the following PHP code?
Antworten
  • a) this is some text that we might like to parse.
  • b) Array ( [0] => some text that [1] => we might like to parse. )
  • c) Array ( [0] => this is [1] => some text that [2] => we might like to parse. )
  • d) [0] => this is [1] => some text that [2] => we might like to parse.

Frage 9

Frage
Which of the following would be a potential match for the Perl-based regular expression /fo{2,4}/ ? i) fol ii) fool iii) fooool iv) fooooool
Antworten
  • a) Only i)
  • b) ii) and iii)
  • c) i), iii) and iv)
  • d) i) and iv)

Frage 10

Frage
Which among the following is/are not a metacharacter? i) \a ii) \A iii) \b iv) \B
Antworten
  • a) Only i)
  • b) i) and iii)
  • c) ii), iii) and iv)
  • d) ii) and iv)

Frage 11

Frage
How many functions does PHP offer for searching and modifying strings using Perl-compatible regular expressions.
Antworten
  • a) 7
  • b) 8
  • c) 9
  • d) 10

Frage 12

Frage
What will be the output of the following PHP code?
Antworten
  • a) Array ( [0] => pasta [1] => steak [2] => fish [3] => potatoes )
  • b) Array ( [3] => potatoes )
  • c) Array ( [1] => steak )
  • d) Array ( [0] => potatoes )

Frage 13

Frage
Say we have two compare two strings which of the following function/functions can you use? i) strcmp() ii) strcasecmp() iii) strspn() iv) strcspn()
Antworten
  • a) i) and ii)
  • b) iii) and iv)
  • c) None of the mentioned
  • d) All of the mentioned

Frage 14

Frage
Which one of the following functions will convert a string to all uppercase?
Antworten
  • a) strtoupper()
  • b) uppercase()
  • c) str_uppercase()
  • d) struppercase()

Frage 15

Frage
What will be the output of the following PHP code?
Antworten
  • a) O’Malley Wins The Heavyweight Championship!
  • b) O’malley Wins The Heavyweight Championship!
  • c) O’Malley wins the heavyweight championship!
  • d) o’malley wins the heavyweight championship!

Frage 16

Frage
What will be the output of the following PHP code?
Antworten
  • a) SaladSaladSaladSaladSalad is good
  • b) is good SaladSaladSaladSaladSalad
  • c) is good Salad
  • d) Salad is good

Frage 17

Frage
Which one of the following functions can be used to concatenate array elements to form a single delimited string?
Antworten
  • a) explode()
  • b) implode()
  • c) concat()
  • d) concatenate()

Frage 18

Frage
Which one of the following functions finds the last occurrence of a string, returning its numerical position?
Antworten
  • a) strlastpos()
  • b) strpos()
  • c) strlast()
  • d) strrpos()

Frage 19

Frage
What will be the output of the following PHP code?
Antworten
  • a) Contact the author of this article at nachiketh@ex@mple.com
  • b) Cont@ct the @uthor of this @rticle @t n@chiketh@ex@mple.com
  • c) Contact the author of this article at n@chiketh@ex@mple.com
  • d) Error

Frage 20

Frage
What will be the output of the following PHP code?
Antworten
  • a) nachiketh@example.com
  • b) nachiketh
  • c) nachiketh@
  • d) example.com
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