escape

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

e

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!;

% format

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"";

replace

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!"