JavaScript RegExp meta character
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Definition and usage
\f
Match page breaks with meta characters.
Example
Search for page breaks in strings:
let text = "Visit CodeW3C.com.\fLearn Javascript."; let pattern = /\f/;
Syntax
new RegExp("\\f")
Or abbreviated as:
/\f/
Browser support
/\f/
It is an ECMAScript1 (ES1) feature.
All browsers fully support ES1 (JavaScript 1997):
Chrome | IE | Edge | Firefox | Safari | Opera |
---|---|---|---|---|---|
Supported | Supported | Supported | Supported | Supported | Supported |
Regular expression search methods
In JavaScript, regular expression text search can be completed using different methods.
UsagePattern (pattern)As regular expressions, these are the most commonly used methods:
Example | Description |
---|---|
text.match(pattern) | String method match() |
text.search(pattern) | String method search() |
pattern.exec(text) | RexExp method exec() |
pattern.test(text) | RexExp Method test() |
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