Replacing + in name

[jhussey]

Thanks pacmano, I realized after I posted that I could apply your solution to the source, which makes way more sense then changing each channel. Appreciate...

[jhussey]

Worked great, thank you.
final code
var mapping;
var MIDDLE = msg['PID']['PID.5']['PID.5.1'].toString();
MIDDLE = MIDDLE.replace(/[\s\+]*$/,...

[jhussey]

Our registration adds a + symbol to the name in order designate the patient as confidential. Normally they add a space then + and the regex has no issues...