In JavaScript, what is the purpose of the case-ignoring regex property?-HTML Tutorial-php.cn

ignoreCase is a read-only Boolean property of the RegExp object. It specifies whether a particular regular expression performs case-insensitive matching, i.e. whether it was created with the "i" attribute.

Example You can try running the following code to see how to use the Ignore Case RegExp property in JavaScript.

JavaScript RegExp ignoreCase Property var re = new RegExp( "string" );

if ( re.ignoreCase ) { document.write("Test1-ignoreCase property is set"); } else { document.write("Test1-ignoreCase property is not set"); } re = new RegExp( "string", "i" );

if ( re.ignoreCase ) { document.write(" Test2-ignoreCase property is set"); } else { document.write(" Test2-ignoreCase property is not set"); }