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More Regular Expressions With PHP Test MCQ Questions
Analyze the following code: < ?php $str='This lathe turns wood.'; echo(preg_match('/\Bthe\b/', $str)); ?> What will be the output of the above code snippet?
Which of the following characters is found by a Regular Expression when the \s PHP modifier is set?
Which of the following PHP Regular Expression modifiers is used to make as few matches as possible in a given pattern?
Which of the following PHP Regular Expression modifier is used to find a pattern at the beginning of a string?
Suppose you perform pattern matching in a string using the \n PHP Regular Expression modifier. Which of the following values is returned if no newline character occurs in the string?
Suppose you pass world{2,3} as a pattern to be matched to a specified string as shown in the code snippet below: $pattern = world{2,3}; Which of the following strings does not match the above pattern?
Analyze the following code: < ?php $string = '%Give_result%'; preg_match_all('/[\W]/', $string, $matches); foreach($matches[0] as $value) {echo $value;} ?> What will be the output of the above code snippet?
Which of the following examples use the PHP positive lookahead assertion in a correct format?
Analyze the following code: < ?php $string = 'six at noon taxes'; echo preg_match('/s.x/', $string, $matches); ?> What will be the output of the above code snippet?
Analyze the following code that uses a PHP Regular Expression Character Set: < ?php $string = 'Is this all there is?'; preg_match_all('/[a-h]/',$string,$matches); foreach($matches[0] as $value) {echo $value; } ?> What will be the output of the above code snippet?