Strings & Regular Expressions Questions And Answers
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Strings & Regular Expressions Questions and Answers
1. How many functions does PHP offer for searching and modifying strings using Perl-compatible regular expressions.
Strings & Regular Expressions Questions and Answers
2. Say we have two compare two strings which of the following function/functions can you use?
(i) strcmp()
(ii) strcasecmp()
(iii) strspn()
(iv) strcspn()
Strings & Regular Expressions Questions and Answers
3. Which one of the following functions will convert a string to all uppercase?
Strings & Regular Expressions Questions and Answers
4. What will be the output of the following PHP code?
< ?php
$title = "O'malley wins the heavyweight championship!";
echo ucwords($title);
?>
Strings & Regular Expressions Questions and Answers
5. What will be the output of the following PHP code?
< ?php
echo str_pad("Salad", 5)." is good.";
?>
Strings & Regular Expressions Questions and Answers
6. Which one of the following functions can be used to concatenate array elements to form a single delimited string?
Strings & Regular Expressions Questions and Answers
7. Which one of the following functions finds the last occurrence of a string, returning its numerical position?
Strings & Regular Expressions Questions and Answers
8. What will be the output of the following PHP code?
< ?php
$url = "nachiketh@example.com";
echo ltrim(strstr($url, "@"),"@");
?>
Strings & Regular Expressions Questions and Answers
9. PHP has long supported two regular expression implementations known as ___ and ___.
(i) Perl
(ii) PEAR
(iii) Pearl
(iv) POSIX
Strings & Regular Expressions Questions and Answers
10. Which one of the following regular expression matches any string containing zero or one p?
