JavaScript RegExp \f Metacharacter
Example
Search for a form feed character in a string:
let text = "Visit W3Schools.\fLearn Javascript.";
let pattern = /\f/;
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Description
The \f metacharacter matches form feed characters.
Browser Support
/\f/
is an ECMAScript1 (ES1) feature.
ES1 (JavaScript 1997) is fully supported in all browsers:
Chrome | Edge | Firefox | Safari | Opera | IE |
Yes | Yes | Yes | Yes | Yes | Yes |
Syntax
new RegExp("\\f")
or simply:
/\f/
Regular Expression Search Methods
In JavaScript, a regular expression text search, can be done with different methods.
With a pattern as a regular expression, these are the most common methods:
Example | Description |
---|---|
text.match(pattern) | The String method match() |
text.search(pattern) | The String method search() |
pattern.exec(text) | The RexExp method exec() |
pattern.test(text) | The RegExp method test() |