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Application of multiline attribute in JavaScript Regular Expression

Source: Internet
Author: User
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Application of multiline attribute in JavaScript Regular Expression

This article mainly introduces the application of the multiline attribute of JavaScript Regular Expressions. It is an important step in JS learning. For more information, see

 

 

A multiline regular expression is a read-only Boolean attribute of an object. It specifies whether a specific regular expression is used for multi-row matching, whether or not the "m" attribute is used for creation.
Syntax

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RegExpObject. multiline

The following is the detailed information about the parameters:

  • NA

Return Value:

  • If m is set, "TRUE" is returned; otherwise, "FALSE" is returned ".

Example:

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<Html>

<Head>

<Title> JavaScript RegExp multiline Property </title>

</Head>

<Body>

<Script type = "text/javascript">

Var re = new RegExp ("string ");

If (re. multiline ){

Document. write ("Test1-multiline property is set ");

} Else {

Document. write ("Test1-multiline property is not set ");

}

Re = new RegExp ("string", "m ");

If (re. multiline ){

Document. write ("<br/> Test2-multiline property is set ");

} Else {

Document. write ("<br/> Test2-multiline property is not set ");

}

</Script>

</Body>

</Html>

This produces the following results:

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Test1-multiline property is not set

Test2-multiline property is set

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