Critical issue in syntax highlighting core

[zyavrik]

Steps to reproduce:

1. Run example application from the package.
2. Type word "using".

Actual result:

Part of word "sin" will be highlighted.

Should be:

Only whole words should be highlighted.

[zyavrik]

The is no this issue on QED Solver too.

[zyavrik]

Should be used regex like @"\b(?:a|b|c)\b" to fix the issue.

[zyavrik]

And @""\bmod\b" instead @""\bmod\b" on the example application.