Multiple choice technology web technology

What is used to validate complex string patterns like an e-mail address?

  1. Extended expressions

  2. Regular expressions.

  3. Irregular expressions.

  4. Basic expressions.

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Regular expressions provide a powerful pattern-matching language for validating complex string formats like email addresses, phone numbers, and URLs. They use special syntax to define patterns with character classes, quantifiers, and anchors. Options A, C, and D are not standard programming terms for pattern validation.