VS Code problems matcher for Synplify

tasks.json

{
  "version": "2.0.0",
  "tasks": [
    {
      "label": "Synplify compile",
      "type": "shell",
      "command": "<compile-script which outputs .srr-logfile>",
      "group": {
        "kind": "build",
        "isDefault": true
      },
      "problemMatcher": {
        "fileLocation": ["absolute"],
        "severity": "error",
        "source": "format",
        "pattern": {
            "regexp": "^@(.)[^\"]+\"([^\"]+)\":([\\d]+):([\\d]+)[^\\|]+\\|(.*)$",
            "severity": 1,
            "file": 2,
            "line": 3,
            "column": 4,
            "message": 5,
        }
      }
    }
  ]
}