fix(vscode-extension): allow Tailwind-style characters in property binding names - #70526
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…nding names The property binding grammar only allowed [-_a-zA-Z0-9.$] in binding names, so Tailwind class bindings such as `[class.hover:flex]`, `[class.!p-4]` or `[class.bg-primary/30]` did not match and fell back to plain HTML attribute highlighting. The compiler is deliberately lenient about the characters between the square brackets of a bound attribute name, so allow `:`, `!`, `/` and `@` in the grammar as well. Also removes the nested quantifier from the binding name regexes ((?:A+|B)* -> (?:A|B)*), which could trigger super-linear backtracking on lines with an unterminated binding. The recognized language is unchanged: the snapshot goldens are identical. Fixes angular#67679
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The property binding grammar only allowed [-_a-zA-Z0-9.$] in binding names, so Tailwind class bindings such as
[class.hover:flex],[class.!p-4]or[class.bg-primary/30]did not match and fell back to plain HTML attribute highlighting. The compiler is deliberately lenient about the characters between the square brackets of a bound attribute name, so allow:,!,/and@in the grammar as well.Fixes #67679
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Issue Number: #67679
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