Support regex during json serialization

[nithyaganeshng]

Support regex in presentation exchange during json serialization.

Validation:
Please include here how it was verified that the PR works as intended.

Type of change:

• Feature work
• Bug fix
• Documentation
• Engineering change
• Test
• Logging/Telemetry

Risk:

• High – Errors could cause MAJOR regression of many scenarios. (Example: new large features or high level infrastructure changes)
• Medium – Errors could cause regression of 1 or more scenarios. (Example: somewhat complex bug fixes, small new features)
• Small – No issues are expected. (Example: Very small bug fixes, string changes, or configuration settings changes)

Work Item links:
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Documentation Links:
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[Sakurann]

How are we making sure arbitrary scripting is not allowed when using regex?