RegExp.prototype.multiline
The multiline
accessor property of RegExp
instances returns whether or not the m
flag is used with this regular expression.
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Description
RegExp.prototype.multiline
has the value true
if the m
flag was used; otherwise, false
. The m
flag indicates that a multiline input string should be treated as multiple lines. For example, if m
is used, ^
and $
change from matching at only the start or end of the entire string to the start or end of any line within the string.
The set accessor of multiline
is undefined
. You cannot change this property directly.
Examples
Using multiline
js
const regex = /foo/m;
console.log(regex.multiline); // true
Specifications
Specification |
---|
ECMAScript Language Specification # sec-get-regexp.prototype.multiline |
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