The application of multiline attributes of JavaScript regular Expressions _ basics

A multirow regular expression is a read-only Boolean property of an object. It specifies whether a specific regular expression is to be used for multiple-line matching, that is, whether or not the "M" property is created.
Grammar

Regexpobject.multiline

The following are the details of the parameters:

• NA

return value:

• Returns "FALSE" if the "M" modification is set to return "TRUE".

Example:

This will produce the following results:

Test1-multiline is not set test2-multiline the property is
set