RegExp \w Metacharacter
A global search for word characters:
let text = "Give 100%!";
let pattern = /\w/g;
let result = text.match(pattern);
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Description
The \w metacharacter matches word characters.
A word character is a character a-z, A-Z, 0-9, including _ (underscore).
Syntax
new RegExp("\\w")
or simply:
/\w/
Syntax with modifiers
new RegExp("\\w", "g")
or simply:
/\w/g
Regular Expression Methods
Regular Expression Search and Replace can be done with different methods.
These are the most common:
String Methods
| Method | Description |
|---|---|
| match(regex) | Returns an Array of results |
| matchAll(regex) | Returns an Iterator of results |
| replace(regex) | Returns a new String |
| replaceAll(regex) | Returns a new String |
| search(regex) | Returns the index of the first match |
| split(regex) | Returns an Array of results |
RegExp Methods
| Method | Description |
|---|---|
| regex.exec() | Returns an Iterator of results |
| regex.test() | Returns true or false |
Browser Support
/\w/ is an ECMAScript1 (JavaScript 1997) feature.
It is supported in all browsers:
| Chrome | Edge | Firefox | Safari | Opera | IE |
| Yes | Yes | Yes | Yes | Yes | Yes |
