How the search () method in JavaScript uses strings

This article will explain in detail how the search () method in JavaScript uses strings. The editor thinks it is very practical, so I share it with you as a reference. I hope you can get something after reading this article.

The search () method uses a string

The search method can take a string as a parameter. String parameters are converted to regular expressions:

Example

Retrieve the substring of "Runoob" in the string:

Varstr= "VisitRunoob!"

Varn=str.search ("Runoob")

The replace () method uses regular expressions

Example

Use regular expressions and are case-insensitive to replace Microsoft in a string with Runoob:

Varstr=document.getElementById ("demo") [xss_clean]

Vartxt=str.replace (/ microsoft/i, "Runoob")

The output is as follows:

VisitRunoob!

The replace () method uses a string

The replace () method takes the receive string as a parameter:

Varstr=document.getElementById ("demo") [xss_clean]

Vartxt=str.replace ("Microsoft", "Runoob")

This is the end of the article on "how to use strings in the search () method in JavaScript". I hope the above content can be of some help to you, so that you can learn more knowledge. if you think the article is good, please share it for more people to see.