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RegExp.lastMatch ($&)

Deprecated

Avoid using this feature in new projects. The RegExp static properties may have unintended side effects. This feature may be a candidate for removal from web standards or browsers.

: . , , . , , , .

lastMatch . . RegExp.$&.

In this article

RegExp.lastMatch
RegExp['$&']

lastMatch , RegExp.lastMatch RegExp['$&'].

lastMatch .

"&" SyntaxError, (RegExp.$&) . (RegExp['$&']).

lastMatch $&

js
var re = /hi/g;
re.test("hi there!");
RegExp.lastMatch; // "hi"
RegExp["$&"]; // "hi"

. - .

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  2. RegExp
    1. RegExp()
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    1. RegExp.$1-$9
    2. RegExp.input ($_)
    3. RegExp.lastMatch ($&)
    4. lastParen ($+)
    5. leftContext ($`)
    6. rightContext ($')
    7. [Symbol.species]
    1. compile()
    2. RegExp.prototype.exec()
    3. RegExp.prototype.test()
    4. RegExp.prototype.toString()
    5. [Symbol.match]()
    6. [Symbol.matchAll]()
    7. [Symbol.replace]()
    8. RegExp.prototype[@@search]()
    9. RegExp.prototype[@@split]()
    1. RegExp.lastIndex
    2. dotAll
    3. RegExp.prototype.flags
    4. RegExp.prototype.global
    5. hasIndices
    6. RegExp.prototype.ignoreCase
    7. RegExp.prototype.multiline
    8. RegExp.prototype.source
    9. RegExp.prototype.sticky
    10. RegExp.prototype.unicode
    11. unicodeSets
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