Added sample for DLP : Inspect a string for sensitive data, omitting overlapping matches on domain and email

[sameer-crest]

Implemented sample for Inspect a string for sensitive data, omitting overlapping matches on domain and email
Added test cases for the same

Reference: https://cloud.google.com/dlp/docs/samples/dlp-inspect-string-without-overlap

[snippet-bot]

Here is the summary of changes.

You are about to add 1 region tag.

• dlp/src/inspect_string_without_overlap.php:27, tag dlp_inspect_string_without_overlap

---

This comment is generated by snippet-bot.
If you find problems with this result, please file an issue at:
https://github.com/googleapis/repo-automation-bots/issues.
To update this comment, add snippet-bot:force-run label or use the checkbox below:

• Refresh this comment

[bshaffer]

I prefer fluid interface calls to always be on separate lines, and I prefer formatting strings over concatenation for readability.

These are not blocking, just suggestions. Nice work!

[sameer-crest]

I prefer fluid interface calls to always be on separate lines, and I prefer formatting strings over concatenation for readability.

These are not blocking, just suggestions. Nice work!

Thanks for reviewing the sample code. I have updated the code as per your suggestion.