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Showing content from https://webplatform.github.io/docs/javascript/RegExp/lastParen below:

lastParen · WebPlatform Docs

lastParen Summary

Returns the last parenthesized submatch from any regular expression search, if any. Read-only.

Syntax

RegExp.lastParen

Examples

The following example illustrates the use of the lastParen property:


    var re = new RegExp("d(b+)(d)","ig");
    var str = "cdbBdbsbdbdz";

    
    var arr = re.exec(str);

    
    var s = ""
    s += ": " + RegExp. + "<br />";
    s += ": " + RegExp. + "<br />";
    s += ": " + RegExp. + "<br />";
    s += "input: " + RegExp.input + "<br />";
    s += "lastMatch: " + RegExp.lastMatch + "<br />";
    s += "leftContext: " + RegExp.leftContext + "<br />";
    s += "rightContext: " + RegExp.rightContext + "<br />";
    s += "lastParen: " + RegExp.lastParen + "<br />";

    document.write(s);

Remarks

The object associated with this property is always the global RegExp object.

The initial value of the lastParen property is an empty string. The value of the lastParen property changes whenever a successful match is made.