Exam 3: Manipulating Strings

An escape character tells the compiler or interpreter to exit the program at the escape character.

The ____ function will remove both leading and trailing spaces from a string.

The metacharacter (^) anchors characters to the end of a string.

The escape character sequence ____ inserts a new line.

The concatenation assignment operator (.=) combines two text strings.

To allow a string to contain an alternate set of substrings, you separate the strings in a regular expression pattern with the pipe (|) metacharacter, which is similar to the ____________________ operator.

The syntax for the strtok() function is $variable=strtok(string, separators);

Any characters included in a ____________________ class represent alternate characters that are allowed in a pattern match.

ASCII values range from ____.

The ____ function uses a strong encryption algorithm called Message-Digest Algorithm to create a one-way hash of an entered string.

PCRE includes special character types, such as the ____________________ expression to allow any alphanumeric characters and the underscore character.

The escape character combined with one or more other characters is called an escape sequence.

An anchor specifies that a pattern must appear at that position in the string.

Metacharacters that specify the quantity of a match are called ____________________.

A structure in which variables are placed within curly braces inside of a string is called a ____.

The most commonly used string counting function is the ____ function, which returns the total number of characters in a string.

A()n) ____________________ hash is a fixed length string based on the entered text from which it is almost impossible to determine the original text.

Regular expression patterns are enclosed in opening and closing delimiters.

The term parsing refers to the act of dividing a string into logical component substrings or tokens.

The soundex() function returns a value representing a name's phonetic equivalent.