Regex for detecting composite names breaks in certain scenarios

[queeniema]

Base scenario: Use HelloWorld.spl as a starting point. Then, duplicate the HelloWorld composite and give it a unique name (e.g. HelloWorld2). The application looks like this:

composite HelloWorld {
	...
} // End of HelloWorld composite.

composite HelloWorld2 {
	...
} // End of HelloWorld2 composite.

• If you comment out the HelloWorld2 composite with // and then try to build, the available composite options are HelloWorld and .. The . comes from the // End of HelloWorld composite. comment.

composite HelloWorld {
	...
} // End of HelloWorld composite.

// composite HelloWorld2 {
// 	...
// } // End of HelloWorld2 composite.

• If you comment out the HelloWorld2 composite with /* ... */ and then try to build, the available composite options are HelloWorld and HelloWorld2.

composite HelloWorld {
	...
} // End of HelloWorld composite.

/* composite HelloWorld2 {
 	...
} // End of HelloWorld2 composite. */

---

For both scenarios, I would expect that there is only one composite available to build (HelloWorld), and thus the composite selector should not show up.

The current regex is this:
/.*?(?:\bcomposite\b)(?:\s*|\/\/.*?|\/\*.*?\*\/)+([a-z|A-Z|0-9|\.|\_]+)(?:\s*|\/\/.*?|\/\*.*?\*\/)*\{/gm

I think we should be detecting the start of the line using ^, and only match whitespace characters at the beginning of lines using /s rather than matching all characters .. Something like this:
/^\s*(?:\bcomposite\b)(?:\s*|\/\/.*?|\/\*.*?\*\/)+([a-z|A-Z|0-9|\.|\_]+)(?:\s*|\/\/.*?|\/\*.*?\*\/)*\{/gm