Which of the Following Statements About Regular Expressions Is True

question 15

Multiple Choice

Which of the following statements about regular expressions is true?

• A) They are used to match specific character patterns in text.
• B) They can be used to replace parts of one string with another, or to split a string.
• C) They can be used to validate data to ensure that it's in a particular format.
• D) All of the above statements are true.

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Definitions:

Sentinel Values

Sentinel values are special values in the context of computer programming and data processing that are used to mark or signal the end of a data structure, such as arrays or lists, without explicitly using data structure's size.

Sentinel Value

A sentinel value is a special value in the context of an algorithm which uses it to terminate a loop when it is encountered.

Compiler-Dependent

Pertains to elements or behaviors in a programming language that can vary between different compilers.