GH-2524 : Added regex for handling inline binding expressions

[Sanchit-Trivedi]

GitHub issue resolved: #2524

Briefly describe the changes proposed in this PR:

The handling of binding substitution fails for queries of the form select (func(?x) as ?y). For a binding x=foo the output is select (func('foo' as ?x) as ?y) when it should be select (func('foo') as ?y). The current code only works for select ?x ?y ?z type queries. Regex has been modified to ignore patterns that are preceded by 'as'.

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PR Author Checklist (see the contributor guidelines for more details):

• [x] my pull request is self-contained
• [ ] I've added tests for the changes I made
• [x] I've applied code formatting (you can use mvn process-resources to format from the command line)
• [ ] I've squashed my commits where necessary
• [x] every commit message starts with the issue number (GH-xxxx) followed by a meaningful description of the change

[abrokenjester]

I think you need to run formatting here again as well - looks like it's not happy with the formatting of the javadoc in this case.

Run: mvn process-resources

[hmottestad]

Could you add some tests too?

[hmottestad]

Marked this as stale to signal that the PR hasn't been active for a while and that we should consider closing it.