# Change part of state
**URL:** https://discourse.nodered.org/t/change-part-of-state/53622
**Category:** General
**Created:** [12 November 2021 08:25 UTC](https://discourse.nodered.org/t/change-part-of-state/53622 "2021-11-12T08:25:39Z")
**Posts on this page:** 4
**Page:** 1
### Author:  [@jhavn](https://discourse.nodered.org/u/jhavn)
#### Post date: [12 November 2021 08:25 UTC](https://discourse.nodered.org/t/change-part-of-state/53622/1 "2021-11-12T08:25:39Z")
Hi
I have a problem with my strings please help
```auto
592 : msg.payload : string[13]
"0.0 °C T7"
```
i need to change the "°c" part to just C
---
### Author:  [@jhavn](https://discourse.nodered.org/u/jhavn)
#### Post date: [12 November 2021 08:26 UTC](https://discourse.nodered.org/t/change-part-of-state/53622/2 "2021-11-12T08:26:31Z")
```auto
{"501":"56.3 °C Fremløb","502":"28 % Ydelse","503":"36.7 °C Skakt","504":"5.2 kW Ydelse","505":"24283 kg Magasin indhold","506":"100 Lx Lys","507":"Drift ","508":"12/11-2021 09:24:58","521":"47 °C Retur","522":"0 liter/time Flow","524":"999.9 °C Ekstern temperatur","525":"999.9 °C Temperatur VVB","526":"15.5 % Aktuelt ilt","527":"18 % Ønsket ilt","528":"1149 Gram snegl ydelse/6 min","530":"16.134 kg Idag","531":"0 kg/m2 Idag","532":"122.4 °C Røg temperatur","533":"55 °C Ønsket kedeltemp.","534":"43 °C Ønsket VVB temp.","542":"999 cm","584":"Jyderup ","585":"91 % luftfugtighed","586":"1019 hPa barometer","587":"3.9 m/s vindhastighed","588":"http://openweathermap.org/img/w/04d.png ","589":"6.6 °C lufttemperatur","591":"176 null","592":"0.0 °C T7","alarm":"0"}
```
---
### Author:  [@bakman2](https://discourse.nodered.org/u/bakman2)
#### Post date: [12 November 2021 08:47 UTC](https://discourse.nodered.org/t/change-part-of-state/53622/3 "2021-11-12T08:47:12Z")
In a function node you could use the following:
```auto
msg.payload = JSON.parse(JSON.stringify(msg.payload).replace(/ °/g,""))
return msg
```
This will replace them all at once.
---
### Author:  [@system](https://discourse.nodered.org/u/system)
#### Post date: [11 January 2022 08:47 UTC](https://discourse.nodered.org/t/change-part-of-state/53622/4 "2022-01-11T08:47:53Z")
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