Detailed explanation of the difference between js string indexof and search

This article mainly shares with you an introduction to the difference between the js string indexof and search methods. It has a good reference value and I hope it will be helpful to everyone. Let’s follow the editor to take a look, I hope it can help everyone.

1.indexof method

indexOf() method can return the position where a specified string value first appears in the string.

Syntax:

Note: There are optional parameters (that is, setting the starting search position).

2. Search method

The search() method is used to retrieve a specified substring in a string, or to retrieve a substring that matches a regular expression.

Note: The search method can find the specified string according to the regular expression (case can be ignored, and no global search is performed), and there are no optional parameters (that is, setting the start search location).

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