Some regex expressions aren't supported

[ghost]

Bug Report

Steps to Reproduce:

1. Create a profile with the following with any of the following in a matchingRegex constraint
   1. Negative Lookahead
   2. Negative Lookbehind
   3. Lookahead
   4. Lookbehind
2. Ensure there is no ofLength, shorterThan or longerThan constraint included for the field
3. Ensure there is an ofType string constraint
4. Run the generator in random mode

Expected Result:

Strings should be created that match the given regular expression, adhering to the (negative) look ahead/behind.

Actual Result:

The lookahead/lookbehind statement is treated as a literal and included in the output, rather than whitelisting/blacklisting the permitted strings.

e.g.

{
  "field": "first-name",
  "is": "matchingRegex",
  "value": "^(?!ignoreme)([a-z0-9]+)$"
},

emits the following data:

first-name
?!ignoreme1
?!ignoreme714msv5o4y7
?!ignoremepa3
?!ignoremekq
?!ignoreme66w45
?!ignoreme1y6
?!ignoreme5io5m
?!ignoremesq
?!ignoremem
?!ignoreme9mw

Additional Context:

This may require an update to the Automaton library - #537

[pdaulbyscottlogic]

This seems more like a feature request to me

[ghost]

Treating as a non-bug, but documentation should be updated to clarify that these regular expression features aren't supported.

[harry-bedford]

closed/opened by mistake