Comma is not allowed to be part of Summary field while REST API issue create

[PrabuN1]

{
“fields”:{
“project”:{
“key”:“SMAR”
},
“issuetype”:{
“name”:“Task”
},
“summary”:“Testing , 123”,
“duedate”:“2021-05-27T00:00:00.000Z”
}
}

throws an error like below:
{
“errorMessages”:[
“Field Summary with actual value ‘Testing , 123’ does not match regular expression ^[A-Za-z0-9 ]+$”
],
“errors”:{}}

Any possible way to escape , and similar characters : \ …

[kkercz]

This kind of error message is returned by a regular expression workflow validator. It must be configured on your issue create transition to validate the summary field value.