JS RegExp

A regular expression is a string of characters that defines a search pattern. This pattern can be used for searching and replacing text.

What Is a Regular Expression?

A regular expression is a sequence of characters that defines a search pattern. You can use this pattern to specify what you’re looking for when searching through text. Regular expressions can range from a simple single character to more complex patterns. They are commonly used for various text search and replace tasks.

Syntax

Example

Example explained:

·         /code7school/i is a regular expression.

• “code7school” is the pattern to be searched for.
• “i” is a modifier that makes the search case-insensitive.