Hi i want to split these values msg.payload : string[27] "RELAY-STATE-255,0,0,0,0,OK" the 4 zeros represent each a decimal number from 0-255. i want to isolate these 4 zeros . i managed this with $substring(payload, -9, 1 ) for example . but if the zero becomes lets say a 16 this method does not w…

add a function node with this code in... var str = msg.payload; var parts = str.split(","); msg.payload = { name: parts[0], item1: parseInt(parts[1]), item2: parseInt(parts[2]), item3: parseInt(parts[3]), item4: parseInt(parts[4]), status: parts[5], } return msg;

great , the fact its spitting out an error i just ignore it. this is what i get when putting in your code: 5-10-2020 14:59:45 node: 2386070d.67c548 msg : string[41] "Input is not a number or parsable string." 5-10-2020 14:59:45 node: f736b0a8.0a9fc msg.payload : Object object name: "RELAY-STATE-25…

Node-RED

Node-RED Forum

Splitting string into different values

General

Colin 5 October 2020 13:17 4

That is coming from a different node, note the id number at the top. If you click on that it should highlight the node.

To understand how to use the message properties read the node-red docs page Working with Messages.

1 Like

Topic		Replies	Views
Split a Message General	6	452	30 October 2020
Array Split trouble General	8	447	3 January 2022
Extract Numbers from msg.payload (String) General	10	3744	15 September 2020
Split a string into separate values General	4	2440	30 May 2020
Convert string value to something to work with General	14	920	11 August 2022

Copyright OpenJS Foundation and Node-RED contributors. All rights reserved. The OpenJS Foundation has registered trademarks and uses trademarks. For a list of trademarks of the OpenJS Foundation, please see our Trademark Policy and Trademark List. Trademarks and logos not indicated on the list of OpenJS Foundation trademarks are trademarks™ or registered® trademarks of their respective holders. Use of them does not imply any affiliation with or endorsement by them.

Splitting string into different values

Related topics