Regular expression in input.json

[PKUfjh]

Can I use regular expression in the input.json file? For example,
"training" : {
"training_data": {
"systems": ["../training/C[0-9]*/"],
"set_prefix": "set",
"batch_size": "auto",
"_comment": "that's all"
},
But it seems to be not working.

[njzjz]

Can I use regular expression in the input.json file?

No.