August 1999
Intermediate to advanced
1488 pages
72h 53m
English
Content preview from Pure JavaScript
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RegExp.$`
JavaScript 1.2+, Jscript 3.0+ Nav4+, NES3+, IE4+ Syntax
RegExp.$`
Description
The RegExp.$` property represents the substring preceding the most recent pattern match. This is the same as using the leftContext property.
Example
Listing 6.210 shows how to use RegExp.$`
Listing 6.210 Example of RegExp.$`
<html> <body> <script language="JavaScript"> <!–– Hide // define a regular expression pattern and match globally pat = /is*/g; // create a string object var str = "I know where the fish is tonight."; // create an array to hold the results myArray = pat.exec(str); document.write("In the string: " + "<b>"); document.write("I know where the fish is tonight" + "</b><br><br>"); document.write("The RegExp.leftContext is: " + RegExp.leftContext); ... |
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