PHP Regular Expressions What will be the output of the following PHP code?$url = "contact@examians.com";echo ltrim(strstr($url, "@"),"@"); contact examians.com contact@examians.com contact@ contact examians.com contact@examians.com contact@ ANSWER DOWNLOAD EXAMIANS APP
PHP Regular Expressions [:alpha:] can also be specified as. [a-z] [A-z] [A-Za-z0-9] [A-za-z] [a-z] [A-z] [A-Za-z0-9] [A-za-z] ANSWER DOWNLOAD EXAMIANS APP
PHP Regular Expressions How many functions does PHP offer for searching strings using POSIX style regular expression? 7 9 10 8 7 9 10 8 ANSWER DOWNLOAD EXAMIANS APP
PHP Regular Expressions Which one of the following regular expression matches any string containing zero or one p? p* p+ p# P? p* p+ p# P? 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 1 and 4 Only 1 1, 3 and 4 2 and 3 1 and 4 Only 1 1, 3 and 4 2 and 3 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."; Contact the author of this article at nachiketh@ex@mple.com Error Contact the author of this article at n@chiketh@ex@mple.com Cont@ct the @uthor of this @rticle @t n@chiketh@ex@mple.com Contact the author of this article at nachiketh@ex@mple.com Error Contact the author of this article at n@chiketh@ex@mple.com Cont@ct the @uthor of this @rticle @t n@chiketh@ex@mple.com ANSWER DOWNLOAD EXAMIANS APP
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