PHP Regular Expressions Which among the following is/are not a metacharacter?1. /a2. /A3. /b4. /B 1 and 3 Only 1 2, 3 and 4 2 and 4 1 and 3 Only 1 2, 3 and 4 2 and 4 ANSWER DOWNLOAD EXAMIANS APP
PHP Regular Expressions Which one of the following functions can be used to concatenate array elements to form a single delimited string? concat() implode() concatenate() explode() concat() implode() concatenate() explode() ANSWER DOWNLOAD EXAMIANS APP
PHP Regular Expressions PHP has long supported two regular expression implementations known as _______ and _______.1. Perl2. PEAR3. Pearl4. POSIX 1 and 4 2 and 3 1 and 2 2 and 4 1 and 4 2 and 3 1 and 2 2 and 4 ANSWER DOWNLOAD EXAMIANS APP
PHP Regular Expressions Which of the following would be a potential match for the Perl-based regular expression /fo{2,4}/ ?1. fol2. fool3. fooool4. fooooool 2 and 3 1, 3 and 4 1 and 4 Only 1 2 and 3 1, 3 and 4 1 and 4 Only 1 ANSWER DOWNLOAD EXAMIANS APP
PHP Regular Expressions 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."; Cont@ct the @uthor of this @rticle @t n@chiketh@ex@mple.com Contact the author of this article at n@chiketh@ex@mple.com Error Contact the author of this article at nachiketh@ex@mple.com Cont@ct the @uthor of this @rticle @t n@chiketh@ex@mple.com Contact the author of this article at n@chiketh@ex@mple.com Error Contact the author of this article at nachiketh@ex@mple.com ANSWER DOWNLOAD EXAMIANS APP
PHP Regular Expressions Which one of the following functions is used to search a string? preg_found preg_match preg_find preg_search preg_found preg_match preg_find preg_search ANSWER DOWNLOAD EXAMIANS APP
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