{
  "name": "Regular Expression (Extended)",
  "scopeName": "source.regexp.extended",
  "patterns": [
    {
      "include": "#main"
    }
  ],
  "repository": {
    "assertion": {
      "patterns": [
        {
          "name": "meta.assertion.positive.look-ahead.regexp",
          "begin": "\\(\\?=",
          "end": "\\)",
          "patterns": [
            {
              "include": "#main"
            }
          ],
          "beginCaptures": {
            "0": {
              "name": "punctuation.definition.assertion.begin.regexp"
            }
          },
          "endCaptures": {
            "0": {
              "name": "punctuation.definition.assertion.end.regexp"
            }
          }
        },
        {
          "name": "meta.assertion.negative.look-ahead.regexp",
          "begin": "\\(\\?!",
          "end": "\\)",
          "patterns": [
            {
              "include": "#main"
            }
          ],
          "beginCaptures": {
            "0": {
              "name": "punctuation.definition.assertion.begin.regexp"
            }
          },
          "endCaptures": {
            "0": {
              "name": "punctuation.definition.assertion.end.regexp"
            }
          }
        },
        {
          "name": "meta.assertion.negative.look-behind.regexp",
          "begin": "\\(\\?\u003c!",
          "end": "\\)",
          "patterns": [
            {
              "include": "#main"
            }
          ],
          "beginCaptures": {
            "0": {
              "name": "punctuation.definition.assertion.begin.regexp"
            }
          },
          "endCaptures": {
            "0": {
              "name": "punctuation.definition.assertion.end.regexp"
            }
          }
        },
        {
          "name": "meta.assertion.positive.look-behind.regexp",
          "begin": "\\(\\?\u003c=",
          "end": "\\)",
          "patterns": [
            {
              "include": "#main"
            }
          ],
          "beginCaptures": {
            "0": {
              "name": "punctuation.definition.assertion.begin.regexp"
            }
          },
          "endCaptures": {
            "0": {
              "name": "punctuation.definition.assertion.end.regexp"
            }
          }
        }
      ]
    },
    "calloutBrackets": {
      "begin": "{",
      "end": "}",
      "patterns": [
        {
          "include": "#calloutBrackets"
        },
        {
          "include": "#main"
        }
      ],
      "beginCaptures": {
        "0": {
          "name": "punctuation.definition.bracket.curly.begin.regexp"
        }
      },
      "endCaptures": {
        "0": {
          "name": "punctuation.definition.bracket.curly.end.regexp"
        }
      }
    },
    "comment": {
      "name": "comment.line.number-sign.regexp",
      "begin": "#",
      "end": "$",
      "beginCaptures": {
        "0": {
          "name": "punctuation.definition.comment.regexp"
        }
      }
    },
    "conditional": {
      "name": "meta.conditional.regexp",
      "begin": "(\\()(\\?)(?=\\()",
      "end": "\\)",
      "patterns": [
        {
          "name": "punctuation.separator.condition.if-else.regexp",
          "match": "\\|"
        },
        {
          "include": "#assertion"
        },
        {
          "name": "meta.condition.function-call.regexp",
          "begin": "\\G\\(",
          "end": "\\)",
          "patterns": [
            {
              "name": "storage.type.function.subpattern.regexp",
              "match": "\\GDEFINE"
            },
            {
              "name": "keyword.other.assertion.regexp",
              "match": "\\Gassert"
            },
            {
              "match": "\\G(?:(\u003c)([^\u003e]+)(\u003e)|(')([^\u003e]+)('))",
              "captures": {
                "1": {
                  "name": "punctuation.definition.group-reference.bracket.angle.begin.regexp"
                },
                "2": {
                  "name": "entity.group.name.regexp"
                },
                "3": {
                  "name": "punctuation.definition.group-reference.bracket.angle.end.regexp"
                },
                "4": {
                  "name": "punctuation.definition.group-reference.quote.single.begin.regexp"
                },
                "5": {
                  "name": "entity.group.name.regexp"
                },
                "6": {
                  "name": "punctuation.definition.group-reference.quote.single.end.regexp"
                }
              }
            },
            {
              "match": "\\G(R(\u0026))(\\w+)",
              "captures": {
                "1": {
                  "name": "keyword.other.recursion.specific.regexp"
                },
                "2": {
                  "name": "punctuation.definition.reference.regexp"
                },
                "3": {
                  "name": "entity.group.name.regexp"
                }
              }
            },
            {
              "name": "keyword.other.recursion.specific-group.regexp",
              "match": "\\GR\\d+"
            },
            {
              "name": "keyword.other.recursion.overall.regexp",
              "match": "\\GR"
            },
            {
              "name": "keyword.other.reference.absolute.regexp",
              "match": "\\G\\d+"
            },
            {
              "name": "keyword.other.reference.relative.regexp",
              "match": "\\G[-+]\\d+"
            },
            {
              "name": "entity.group.name.regexp",
              "match": "\\G\\w+"
            }
          ],
          "beginCaptures": {
            "0": {
              "name": "punctuation.section.condition.begin.regexp"
            }
          },
          "endCaptures": {
            "0": {
              "name": "punctuation.section.condition.end.regexp"
            }
          }
        },
        {
          "include": "#main"
        }
      ],
      "beginCaptures": {
        "1": {
          "name": "punctuation.section.condition.begin.regexp"
        },
        "2": {
          "name": "keyword.control.flow.regexp"
        }
      },
      "endCaptures": {
        "0": {
          "name": "punctuation.section.condition.end.regexp"
        }
      }
    },
    "group": {
      "patterns": [
        {
          "include": "source.regexp#fixedGroups"
        },
        {
          "name": "meta.group.named.regexp",
          "begin": "\\(\\?(?=P?[\u003c'])",
          "end": "\\)",
          "patterns": [
            {
              "contentName": "entity.group.name.regexp",
              "begin": "\\G(P?)(\u003c)",
              "end": "\u003e",
              "beginCaptures": {
                "1": {
                  "name": "storage.type.function.named-group.regexp"
                },
                "2": {
                  "name": "punctuation.definition.named-group.bracket.angle.begin.regexp"
                }
              },
              "endCaptures": {
                "0": {
                  "name": "punctuation.definition.named-group.bracket.angle.end.regexp"
                }
              }
            },
            {
              "contentName": "entity.group.name.regexp",
              "begin": "\\G'",
              "end": "'",
              "beginCaptures": {
                "0": {
                  "name": "punctuation.definition.named-group.quote.single.begin.regexp"
                }
              },
              "endCaptures": {
                "0": {
                  "name": "punctuation.definition.named-group.quote.single.end.regexp"
                }
              }
            },
            {
              "include": "#main"
            }
          ],
          "beginCaptures": {
            "0": {
              "name": "punctuation.definition.group.begin.regexp"
            }
          },
          "endCaptures": {
            "0": {
              "name": "punctuation.definition.group.end.regexp"
            }
          }
        },
        {
          "name": "meta.group.non-capturing.regexp",
          "begin": "(\\(\\?)((?:y{[\\w]+}|[-A-Za-z^])*)(:)",
          "end": "\\)",
          "patterns": [
            {
              "include": "#main"
            }
          ],
          "beginCaptures": {
            "1": {
              "name": "punctuation.definition.group.begin.regexp"
            },
            "2": {
              "patterns": [
                {
                  "include": "source.regexp#scopedModifiers"
                }
              ]
            },
            "3": {
              "name": "punctuation.separator.colon.regexp"
            }
          },
          "endCaptures": {
            "0": {
              "name": "punctuation.definition.group.end.regexp"
            }
          }
        },
        {
          "name": "meta.group.atomic.regexp",
          "begin": "\\(\\?\u003e",
          "end": "\\)",
          "patterns": [
            {
              "include": "#main"
            }
          ],
          "beginCaptures": {
            "0": {
              "name": "punctuation.definition.group.begin.regexp"
            }
          },
          "endCaptures": {
            "0": {
              "name": "punctuation.definition.group.end.regexp"
            }
          }
        },
        {
          "name": "meta.group.script-run.regexp",
          "begin": "(\\(\\*)((?:atomic_)?script_run|a?sr)(:)",
          "end": "\\)",
          "patterns": [
            {
              "include": "#main"
            }
          ],
          "beginCaptures": {
            "1": {
              "name": "punctuation.definition.group.begin.regexp"
            },
            "2": {
              "name": "keyword.control.verb.regexp"
            },
            "3": {
              "name": "punctuation.separator.colon.regexp"
            }
          },
          "endCaptures": {
            "0": {
              "name": "punctuation.definition.group.end.regexp"
            }
          }
        },
        {
          "name": "meta.group.callout.contents.regexp",
          "begin": "(\\(\\?{1,2})({)",
          "end": "(?x)\n(})                                    # Last closing bracket\n((\\[)([_A-Za-z][_A-Za-z0-9]*)(\\]))?  # [tag]\n(X|\u003c|\u003e)?                               # Callout direction\n(?:[^\\)]*)                            # Silently skip unexpected characters\n(\\))                                  # Closing bracket",
          "patterns": [
            {
              "include": "#calloutBrackets"
            },
            {
              "include": "#main"
            }
          ],
          "beginCaptures": {
            "1": {
              "name": "punctuation.definition.group.begin.regexp"
            },
            "2": {
              "name": "punctuation.definition.bracket.curly.begin.regexp"
            }
          },
          "endCaptures": {
            "1": {
              "name": "punctuation.definition.bracket.curly.end.regexp"
            },
            "2": {
              "name": "entity.name.tag.callout-tag.regexp"
            },
            "3": {
              "name": "punctuation.definition.callout-tag.begin.regexp"
            },
            "4": {
              "name": "callout-tag.constant.other.regexp"
            },
            "5": {
              "name": "punctuation.definition.callout-tag.end.regexp"
            },
            "6": {
              "name": "constant.language.callout-direction.regexp"
            },
            "7": {
              "name": "punctuation.definition.group.end.regexp"
            }
          }
        },
        {
          "name": "meta.group.callout.regexp",
          "begin": "(?x)\n(\\(\\*)\n([_A-Za-z][_A-Za-z0-9]*)               # Name\n((\\[)([_A-Za-z][_A-Za-z0-9]*)(\\]))?  # [tag]\n({)",
          "end": "(?x)\n(})\n(?:[^\\)]*)\n(?:(\\))|(?=$))",
          "patterns": [
            {
              "include": "#main"
            },
            {
              "name": "variable.parameter.argument.regexp",
              "match": "[-\\w]+"
            }
          ],
          "beginCaptures": {
            "1": {
              "name": "punctuation.definition.group.begin.regexp"
            },
            "2": {
              "name": "entity.name.callout.regexp"
            },
            "3": {
              "name": "entity.name.tag.callout-tag.regexp"
            },
            "4": {
              "name": "punctuation.definition.callout-tag.begin.regexp"
            },
            "5": {
              "name": "callout-tag.constant.other.regexp"
            },
            "6": {
              "name": "punctuation.definition.callout-tag.end.regexp"
            },
            "7": {
              "name": "punctuation.definition.arguments.begin.regexp"
            }
          },
          "endCaptures": {
            "1": {
              "name": "punctuation.definition.arguments.end.regexp"
            },
            "2": {
              "name": "punctuation.definition.group.end.regexp"
            }
          }
        },
        {
          "name": "meta.absent-function.regexp",
          "begin": "(\\()(\\?~)(\\|)",
          "end": "\\)",
          "patterns": [
            {
              "name": "punctuation.separator.delimiter.pipe.regexp",
              "match": "\\|"
            },
            {
              "name": "variable.parameter.argument.regexp",
              "match": "[-\\w]+"
            },
            {
              "include": "#main"
            }
          ],
          "beginCaptures": {
            "1": {
              "name": "punctuation.definition.group.begin.regexp"
            },
            "2": {
              "name": "keyword.control.flow.regexp"
            },
            "3": {
              "name": "punctuation.separator.delimiter.pipe.regexp"
            }
          },
          "endCaptures": {
            "0": {
              "name": "punctuation.definition.group.end.regexp"
            }
          }
        },
        {
          "name": "meta.group.regexp",
          "begin": "\\(",
          "end": "\\)",
          "patterns": [
            {
              "include": "#main"
            }
          ],
          "beginCaptures": {
            "0": {
              "name": "punctuation.definition.group.begin.regexp"
            }
          },
          "endCaptures": {
            "0": {
              "name": "punctuation.definition.group.end.regexp"
            }
          }
        }
      ]
    },
    "main": {
      "patterns": [
        {
          "include": "#comment"
        },
        {
          "include": "source.regexp#comment"
        },
        {
          "include": "source.regexp#variable"
        },
        {
          "include": "source.regexp#anchor"
        },
        {
          "include": "source.regexp#escape"
        },
        {
          "include": "source.regexp#wildcard"
        },
        {
          "include": "source.regexp#alternation"
        },
        {
          "include": "source.regexp#quantifier"
        },
        {
          "include": "#assertion"
        },
        {
          "include": "#conditional"
        },
        {
          "include": "#group"
        },
        {
          "include": "source.regexp#class"
        }
      ]
    }
  }
}