Q:
Why a special character is used in beginning and end of string in Perl-compatible patterns?
belongs to collection: PHP STRINGS AND REGULAR EXPRESSIONS MCQ
PHP STRINGS AND REGULAR EXPRESSIONS MCQ
- Which of them is a HTML specific string function?
- Perl-compatible regex patterns are always ended by one particular character, which must be?
- Strspn ( ) and strcspn ( ) functions takes 2 srtring arguments while count_chars ( ) takes
- A function that takes two strings and returns a string that is similar in spelling of other
- Some characteristics of MD5 is
- Output of Md5 is
- If errors occurs during transfer of file, you can use
- MD5 takes input string and makes it down into a fixed length string of
- POSIX regex and PERL compatible regex, both are example of
- Which function from following is not included in PHP6?
- For tokenizing a string which PHP function is used?
- A function that takes a filename as argument and returns a MD5 of that file
- Which function is used to take a string as argument and returns a string that is stripped of all HTML and PHP tags?
- There are how many types of classes for regular expressions?
- MD5 algorithm is used to produce a
- Regex defines a
- MD5 stands for
- POSIX regular expression function ereg_replace ( ) takes
- Which function is used to implement MD5 in PHP?
- Process of breaking up a long string into words is called as
- Which PHP function treats a string as collection of characters rather than a sequence?
- By using special wildcards for matching a string which function is used?
- In Perl-compatible patterns any pattern that is followed by ? this means that
- What is meaning of "." in POSIX style regex?
- Why a special character is used in beginning and end of string in Perl-compatible patterns?
- Ereg ( ) function is no more included in
- Inverse function of explode ( ) is
- All these functions are preg_quote ( ), preg_grep ( ), preg_split ( ), preg_match_all ( ) example of
- Htmlspecialchars ( ) function takes a string as argument and returns string in which form, that has a special meaning in HTML
- MD5 is not secure to store passwords because
- PHP removes ereg functions, and prefer using
- A sequence of characters that is treated as a unit is called
- Ltrim ( ) returns its string argument with
- When two strings are exactly equivalent Strcmp ( ) returns what?
- For finding out one string is equal to another string which function we can use?
- Returns a string arguments with trilling blank space removed, is a behavior of
- Which function is used for replacing whole string with an alternate string?
- Stristr ( ) is identical to Strstr ( ) except that
- Replacing string from left hand side is known as
- A function that capitalizes first letter of each word in a string, is a
- Case functions are used for
- Chop ( ), ltrim ( ) and trim functions are used for
- Which function is identical to Strstr ( )?
- Selecting a substring by numerical position is property of
- In substring selection which function modifies a string?
- Which function is used for escaping quotation marks, double quotation marks, backslashes and Nulls from a string?
- In addition to single and double quoted strings PHP offers another way to specify a string which is called as
- Which function returns resulting string as its value?
- Which two functions are used for replacing a string with another string?
- Which string type is interpreted as a number of sequences and automatically interpolates variable values?
- Which function is used for capitalizing first letter of a string?
- In substring selection what\'s mean of Slicing?
- Concatenating operator is used for
- All these characters in a string \\, ?, *, \\, &Hat, $, ] are escaped by
- Returns a string argument with both leading and trailing whitespace removed, is a behavior of
- By first constructing a message string and then shipping it off to receiving program, is a way of communication between PHP and
- For creating pages that contain HTML forms and have multiline strings we can use
- Concatenating assignment operator is denoted by
- Which statement is correct for specifying a string in code?
- What does trailing means in replacement of functions?
- Literal string specified in PHP code by
- Which function start its search from backward rather than from beginning?
- Which function takes a single string and returns its length as an integer?
- Strtupper ( ) function returns
- PHP offers printf ( ) and
- Dot \". \" operator in strings are called as
- How many operators PHP offer for strings?
- Function Strcmp ( ) is equals to
- Which three functions has intimate relationship with each other?
- Which syntax is very useful for specifying large chunks of interpolated variable text?
- Strstr ( ) function selects a substring by its
- Operator that is used for heredoc syntax
- PHP has long supported two regular expression implementations known as _______ and _______
- Which one of the following regular expression matches any string containing zero or one p?
- [:alpha:] can also be specified as
- How many functions does PHP offer for searching strings using POSIX style regular expression?
- What will be the output of the following PHP code?
- POSIX implementation was deprecated in which version of PHP?
- POSIX stands for
- What will be the output of the following PHP code?
- Which of the following would be a potential match for the Perl-based regular expression /fo{2,4}/ ?
- Which among the following is/are not a metacharacter?
- How many functions does PHP offer for searching and modifying strings using Perl-compatible regular expressions
- What will be the output of the following PHP code?
- Say we have two compare two strings which of the following function/functions can you use?
- Which one of the following functions will convert a string to all uppercase?
- What will be the output of the following PHP code?
- What will be the output of the following PHP code?
- Which one of the following functions can be used to concatenate array elements to form a single delimited string?
- Which one of the following functions finds the last occurrence of a string, returning its numerical position?
- What will be the output of the following PHP code?
- What will be the output of the following PHP code?
Php programming
(a).Because it indicates the beginning and end of the pattern
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