regular expressions (python).cson

'name': 'Regular Expressions (Python)'
'scopeName': 'source.regexp.python'
'foldingStartMarker': '(/\\*|\\{|\\()'
'foldingStopMarker': '(\\*/|\\}|\\))'
'fileTypes': [
  're'
]
'patterns': [
  {
    'match': '\\\\[bBAZzG]|\\^|\\$'
    'name': 'keyword.control.anchor.regexp'
  }
  {
    'match': '\\\\[1-9][0-9]?'
    'name': 'keyword.other.back-reference.regexp'
  }
  {
    'match': '\\\\.'
    'name': 'constant.character.escape.backslash.regexp'
  }
  {
    'match': '[?+*][?+]?|\\{(\\d+,\\d+|\\d+,|,\\d+|\\d+)\\}\\??'
    'name': 'keyword.operator.quantifier.regexp'
  }
  {
    'match': '\\|'
    'name': 'keyword.operator.or.regexp'
  }
  {
    'begin': '\\(\\?\\#'
    'end': '\\)'
    'name': 'comment.block.regexp'
  }
  {
    'comment': 'We are restrictive in what we allow to go after the comment character to avoid false positives, since the availability of comments depend on regexp flags.'
    'match': '(?<=^|\\s)#\\s[[a-zA-Z0-9,. \\t?!-:][^\\x{00}-\\x{7F}]]*$'
    'name': 'comment.line.number-sign.regexp'
  }
  {
    'match': '\\(\\?[iLmsux]+\\)'
    'name': 'keyword.other.option-toggle.regexp'
  }
  {
    'match': '(\\()(\\?P=([a-zA-Z_][a-zA-Z_0-9]*\\w*))(\\))'
    'name': 'keyword.other.back-reference.named.regexp'
  }
  {
    'begin': '(\\()((\\?=)|(\\?!)|(\\?<=)|(\\?<!))'
    'beginCaptures':
      '1':
        'name': 'punctuation.definition.group.regexp'
      '2':
        'name': 'punctuation.definition.group.assertion.regexp'
      '3':
        'name': 'meta.assertion.look-ahead.regexp'
      '4':
        'name': 'meta.assertion.negative-look-ahead.regexp'
      '5':
        'name': 'meta.assertion.look-behind.regexp'
      '6':
        'name': 'meta.assertion.negative-look-behind.regexp'
    'end': '(\\))'
    'endCaptures':
      '1':
        'name': 'punctuation.definition.group.regexp'
    'name': 'meta.group.assertion.regexp'
    'patterns': [
      {
        'include': '$self'
      }
    ]
  }
  {
    'begin': '(\\()(\\?\\(([1-9][0-9]?|[a-zA-Z_][a-zA-Z_0-9]*)\\))'
    'beginCaptures':
      '1':
        'name': 'punctuation.definition.group.regexp'
      '2':
        'name': 'punctuation.definition.group.assertion.conditional.regexp'
      '3':
        'name': 'entity.name.section.back-reference.regexp'
    'comment': 'we can make this more sophisticated to match the | character that separates yes-pattern from no-pattern, but it\'s not really necessary.'
    'end': '(\\))'
    'name': 'meta.group.assertion.conditional.regexp'
    'patterns': [
      {
        'include': '$self'
      }
    ]
  }
  {
    'begin': '(\\()((\\?P<)([a-z]\\w*)(>)|(\\?:))?'
    'beginCaptures':
      '1':
        'name': 'punctuation.definition.group.regexp'
      '3':
        'name': 'punctuation.definition.group.capture.regexp'
      '4':
        'name': 'entity.name.section.group.regexp'
      '5':
        'name': 'punctuation.definition.group.capture.regexp'
      '6':
        'name': 'punctuation.definition.group.no-capture.regexp'
    'end': '(\\))'
    'endCaptures':
      '1':
        'name': 'punctuation.definition.group.regexp'
    'name': 'meta.group.regexp'
    'patterns': [
      {
        'include': '$self'
      }
    ]
  }
  {
    'begin': '(\\[)(\\^)?'
    'beginCaptures':
      '1':
        'name': 'punctuation.definition.character-class.begin.regexp'
      '2':
        'name': 'keyword.operator.negation.regexp'
    'end': '(?!\\G)\\]' # Character classes cannot be empty (if the first character is a ] it is treated literally)
    'endCaptures':
      '0':
        'name': 'punctuation.definition.character-class.end.regexp'
    'name': 'constant.other.character-class.set.regexp'
    'patterns': [
      {
        'match': '\\\\[wWsSdDhH]'
        'name': 'constant.character.character-class.regexp'
      }
      {
        'match': '\\\\.'
        'name': 'constant.character.escape.backslash.regexp'
      }
      {
        'captures':
          '2':
            'name': 'constant.character.escape.backslash.regexp'
          '4':
            'name': 'constant.character.escape.backslash.regexp'
        'match': '((\\\\.)|.)\\-((\\\\.)|[^\\]])'
        'name': 'constant.other.character-class.range.regexp'
      }
    ]
  }
]