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PHP REGULAR EXPRESSIONS QUIZ

Which among the following is/are not a metacharacter?<br/>1. /a<br/>2. /A<br/>3. /b<br/>4. /B

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How many functions does PHP offer for searching and modifying strings using Perl-compatible regular expressions.

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What will be the output of the following PHP code?<br/>echo str_pad("Salad", 5)." is good.";

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What will be the output of the following PHP code?<br/>$number = array(0,1,two,three,four,5);<br/>$num = preg_grep("/[0-5]/", $number);<br/>print_r($num);

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Which one of the following is not a preg PHP function?

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What will be the output of the following PHP code?<br/>$foods = array("pasta", "steak", "fish", "potatoes");<br/>$food = preg_grep("/^s/", $foods);<br/>print_r($food);

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Parameter flags was added in which version of PHP?

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What will be the output of the following PHP code?<br/>$username = "jasoN";<br/>if (ereg("([^a-z])",$username))<br/>echo "Username must be all lowercase!";<br/>else<br/>echo "Username is all lowercase!";

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What will be the output of the following PHP code?<br/>$name = "What is your name?";<br/>if (preg_match("/name/"),$name)<br/>echo "My name is Will Pitt ";<br/>else<br/>echo "My name is not Will Pitt ";<br/>if (preg_match("/are/"))<br/>echo "I am great"else echo "I am not great";

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What will be the output of the following PHP code?<br/>$url = "contact@examians.com";<br/>echo ltrim(strstr($url, "@"),"@");

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