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Welcome to the Strings and Regular Expressions MCQs Page

Dive deep into the fascinating world of Strings and Regular Expressions with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Strings and Regular Expressions, a crucial aspect of PHP. In this section, you will encounter a diverse range of MCQs that cover various aspects of Strings and Regular Expressions, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within PHP.

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Check out the MCQs below to embark on an enriching journey through Strings and Regular Expressions. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of PHP.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of Strings and Regular Expressions. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Strings and Regular Expressions MCQs | Page 8 of 10

Q71.
Strstr ( ) function selects a substring by its
Discuss
Answer: (b).Content
Q72.
Operator that is used for heredoc syntax
Discuss
Answer: (d).<<<
Q73.
PHP has long supported two regular expression implementations known as _______ and _______

i) Perl
ii) PEAR
iii) Pearl
iv) POSIX
Discuss
Answer: (c).i) and iv)
Q74.
Which one of the following regular expression matches any string containing zero or one p?
Discuss
Answer: (c).P?
Q75.
[:alpha:] can also be specified as..
Discuss
Answer: (b).[A-za-z].
Q76.
How many functions does PHP offer for searching strings using POSIX style regular expression?

a.

7

b.

8

c.

9

d.

10

Discuss
Answer: (a).7
Q77.
What will be the output of the following PHP code?
<?php
    $username = "jasoN";
    if (ereg("([^a-z])",$username))
        echo "Username must be all lowercase!";
    else
        echo "Username is all lowercase!";
    ?>
Discuss
Answer: (b).Username must be all lowercase!
Q78.
POSIX implementation was deprecated in which version of PHP?
Discuss
Answer: (d).PHP 5.3
Discuss
Answer: (a).Portable Operating System Interface for Unix
Discuss
Answer: (d).[0] => this is [1] => some text that [2] => we might like to parse.
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