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regular expression

computing

"Regular expressions" are powerful tools used in computing for text processing, enabling efficient searching, matching, and manipulation of text patterns.

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Definition

B2General Computing

(technical)A sequence of characters that specifies a pattern to search for in text.

Example

  • You can use a regular expression to find all email addresses in a document.
  • The search function uses a regular expression to match the pattern.

C1Programming

(technical)A pattern used in code to identify and manipulate specific sequences of characters in strings.

Example

  • In JavaScript, you can use a regular expression to validate user input.
  • Regular expressions are essential for parsing complex data formats.