RFR: 2278: Issuestitle Check shouldn't treat special character as leading lowercase letter [v2]

[Zhao Song]

On Tue, 4 Jun 2024 20:17:45 GMT, Kevin Rushforth <kcr at openjdk.org> wrote:

>> I think Erik has a typo here, should be `"[a-z]+(?:\\h.*)?"`?
>
> On closer look, the "`:?`" won't do what we want. It will match one of the patterns we explicitly do not want to match: `"abc: def"`. So I think that should just be: `"[a-z]+(\\h.*)?"`

I think Erik was trying to use the non-capturing pattern `?:...`

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PR Review Comment: https://git.openjdk.org/skara/pull/1656#discussion_r1626558261