Handle flags of Regex expression for cucumber

[anils92]

Motivation/Description of the PR

• Fixed issue - Handle flags of Regex expression for cucumber step definition.
• Resolves flags are not supported in Regex for cucumber steps #3212.

Current Issue

If you create a step definition like Given(/^I am on "([^"]+)" page$/i, openPageStep); and use Given I am on "Login" page, you will get error stating # No steps matching "I am on "Login" page" but It will work for Given(/^I am on "([^"]+)" page$/, openPageStep);

Type of change

• 🔥 Breaking changes
• 🚀 New functionality
• 🐛 Bug fix
• 📋 Documentation changes/updates
• ♨️ Hot fix
• 🔨 Markdown files fix - not related to source code
• 💅 Polish code

Checklist:

• Tests have been added
• Documentation has been added (Run npm run docs)
• Lint checking (Run npm run lint)
• Local tests are passed (Run npm test)

[Arhell]

@DavertMik

[DavertMik]

Thanks!