Bug report: Cannot load recipe /regex not restored

[docfour]

Summary

The following simple recipe cannot be loaded, the regex entry remains empty.

Example

Regular_expression('User defined','([\s\S*])',true,true,false,true,true,false,'List capture groups')

[mattnotmitt]

Duplicate of #319.

[mattnotmax]

Confirming this error with another regex sample in all formats:

Regular_expression('User defined','[a-zA-Z]{40,50}',true,true,false,false,false,false,'Highlight matches')


[
  { "op": "Regular expression",
    "args": ["User defined", "[a-zA-Z]{40,50}", true, true, false, false, false, false, "Highlight matches"] }
]

[{"op":"Regular expression","args":["User defined","[a-zA-Z]{40,50}",true,true,false,false,false,false,"Highlight matches"]}]