Regular Expressions - 1,2

Zarina Kiyakhmetova
Quiz by Zarina Kiyakhmetova , updated more than 1 year ago
Zarina Kiyakhmetova
Created by Zarina Kiyakhmetova over 2 years ago
136
2

Description

Quiz on Regular Expressions - 1,2, created by Zarina Kiyakhmetova on 12/20/2018.

Resource summary

Question 1

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

Question 2

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

Question 3

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

Question 4

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

Question 5

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

Question 6

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

Question 7

Question
POSIX stands for
Answer
  • 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

Question 8

Question
What will be the output of the following PHP code?
Answer
  • 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.

Question 9

Question
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
Answer
  • a) Only i)
  • b) ii) and iii)
  • c) i), iii) and iv)
  • d) i) and iv)

Question 10

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

Question 11

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

Question 12

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

Question 13

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

Question 14

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

Question 15

Question
What will be the output of the following PHP code?
Answer
  • 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!

Question 16

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

Question 17

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

Question 18

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

Question 19

Question
What will be the output of the following PHP code?
Answer
  • 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

Question 20

Question
What will be the output of the following PHP code?
Answer
  • a) nachiketh@example.com
  • b) nachiketh
  • c) nachiketh@
  • d) example.com
Show full summary Hide full summary

Similar

Geometry Formulas
Selam H
AQA GCSE Physics Unit 2.1
Matthew T
GCSE REVISION TIMETABLE
holbbox
Using GoConqr to study English literature
Sarah Egan
Conocimiento General de Aeronaves
Adriana Forero
mi mapa conceptual
Gloria Romero
Active Adults and Starchy Carbohydrate
Carolyn Penny
Plantilla para Presentar Trabajos con Mapas Mentales
kariina jaime
mi mapa conceptual
alejandro rodriguez
New GCSE Maths
Brigitte Bunge
Mapa Mental para Resumir y Conectar Ideas
Katia Yipanoca