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Can not use PIPE (|) character in Scenario Outlines

See original GitHub issue

Hello,

As also tried in https://github.com/eerkunt/terraform-compliance/issues/110, we can’t use ( or escape ) PIPE | character within Scenario Outlines.

Example Feature ;

  Scenario Outline: Ensure that my specific tags are defined
    Given I have resource that supports tags defined
    When it contains tags
    Then it must contain <tag_keys>
    And its value must match the "<pattern>" regex

    Examples:
      | tag_keys        | pattern           |
      | BusinessUnit    | ^(IT\|Marketing)$ |

Stack Trace :

Error: Hook 'console_writer_after_each_scenario' from /Users/sharky/Repository/venv3/lib/python3.7/site-packages/radish/extensions/formatters/gherkin.py:425 raised: 'RadishError: Invalid colum_index to get column width for ScenarioOutline 'Ensure that my specific tags are defined''

Traceback (most recent call last):
  File "/Users/sharky/Repository/venv3/lib/python3.7/site-packages/radish/scenariooutline.py", line 126, in get_column_width
    len(self.examples_header[column_index]),
IndexError: list index out of range

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/.../venv3/lib/python3.7/site-packages/radish/hookregistry.py", line 132, in call
    func(model, *args, **kwargs)
  File "/.../venv3/lib/python3.7/site-packages/radish/extensions/formatters/gherkin.py", line 467, in console_writer_after_each_scenario
    for i, x in enumerate(scenario.example.data)
  File "/...venv3/lib/python3.7/site-packages/radish/extensions/formatters/gherkin.py", line 467, in <genexpr>
    for i, x in enumerate(scenario.example.data)
  File "/.../venv3/lib/python3.7/site-packages/radish/scenariooutline.py", line 131, in get_column_width
    self.sentence
radish.exceptions.RadishError: Invalid colum_index to get column width for ScenarioOutline 'Ensure that my specific tags are defined'

It looks like some frameworks already support this, any chance we can see this support in radish-bdd ?

Thanks!