RegExp $ Metacharacter
Test if a text ends with W3Schools:
const pattern = /W3Schools$/;
let text = "Hello W3Schools";
let result = pattern.test(text);
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const pattern = /W3Schools$/;
let text = "W3Schools tutorial";
let result = pattern.test(text);
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Description
The $ metacharacter matches from the end of a string, or the end of a line if the m (multiline) flag is set.
Syntax
new RegExp("regexp$")
or simply:
/regexp$/
Syntax with modifiers
new RegExp("regexp$", "g")
or simply:
/regexp$/g
Boundary Assertion:
The ^ Metacharacter (Boundary beginning)
The $ Metacharacter (Boundary end)
The \b Metacharacter (Word boundary)
The \B Metacharacter (Non-word boundary)
More Examples
Example
A search for "is" at the end of a string:
let text = "Is this his";
let pattern = /is$/;
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Example
A global, multiline search for "is" at the end of each line:
let text = `Is this
all there
is`
let pattern = /is$/gm;
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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
/$/ is an ECMAScript1 (JavaScript 1997) feature.
It is supported in all browsers:
| Chrome | Edge | Firefox | Safari | Opera | IE |
| Yes | Yes | Yes | Yes | Yes | Yes |
