It encodes a string or information by using URL encoding on special characters. You could not encode some characters such as , , / , ? , @ , & , + , ~ , ! , $ , ‘ and some characters you can encode such as \ , # , ^ , ( , ) , { , } , : , > , < , ] , [ and =.

escape("Hello!! welcome to Tutorialspoint!")

It outputs escaped string as −

Hello%21%21%20welcome%20to%20Tutorialspoint%21

It is a string function which uses string as parameter and returns the information without quotes. It is a CSS escaping which uses ~”some content” escaped values and numbers as parameters.

filter: e("Hello!! welcome to Tutorialspoint!");

It outputs escaped string as −

filter: Hello!! welcome to Tutorialspoint!;

This function formats a string. It can be written with the following format −

%(string, arguments ...)

format-a-d: %("myvalues: %a myfile: %d", 2 + 3, "mydir/less_demo.less");

It outputs the formatted string as −

format-a-d: "myvalues: 5 myfile: "mydir/less_demo.less"";

It is used to replace the text within a string. It uses some parameters −

• string − It searches the string and replace in.
• pattern − It searches the regular expression pattern.
• replacement − It replaces the string that matches the pattern.
• flags − These are optional regular expression flags.

replace("Welcome, val?", "val\?", "to Tutorialspoint!");

It replaces the string as −

"Welcome, to Tutorialspoint!"