(Node.js) Get a Substring by Char Index and Length

Demonstrates how to use the GetRange method to get a substring by index and length.

Note: This example demonstrates the GetRange method which was added in Chilkat v9.5.0.87.

Install Chilkat for Node.js and Electron using npm at Chilkat npm packages for Node.js Chilkat npm packages for Electron on Windows, Linux, MacOSX, and ARM

var os = require('os');
if (os.platform() == 'win32') {  
    if (os.arch() == 'ia32') {
        var chilkat = require('@chilkat/ck-node21-win-ia32');
    } else {
        var chilkat = require('@chilkat/ck-node21-win64'); 
    }
} else if (os.platform() == 'linux') {
    if (os.arch() == 'arm') {
        var chilkat = require('@chilkat/ck-node21-arm');
    } else if (os.arch() == 'x86') {
        var chilkat = require('@chilkat/ck-node21-linux32');
    } else {
        var chilkat = require('@chilkat/ck-node21-linux64');
    }
} else if (os.platform() == 'darwin') {
    if (os.arch() == 'arm64') {
        var chilkat = require('@chilkat/ck-node21-mac-m1');
    } else {
        var chilkat = require('@chilkat/ck-node21-macosx');
    }
}

function chilkatExample() {

    var sb = new chilkat.StringBuilder();

    // Load a file that contains this string:  0123456789ABCDEF
    var success = sb.LoadFile("qa_data/txt/remove_chars.txt","utf-8");

    // Return "56789A" from the string.
    // if removeFlag is true, the returned string is also removed from the sb.
    var removeFlag = true;
    var result = sb.GetRange(5,6,removeFlag);

    console.log(result);
    console.log(sb.GetAsString());

    // Output is: 
    // 
    // 56789A
    // 01234BCDE

}

chilkatExample();