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swarm-ui: escape the hyphen in create-agent's name pattern

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Closes #3423.

Modern browsers validate an <input pattern> attribute's regex in
Unicode-set ('v') mode, which is stricter about hyphen placement than
classic mode: `[a-z0-9-]` throws "Invalid character class" under 'v'
mode even though a trailing hyphen is unambiguous (and valid) in classic
regex. Reproduced directly: `new RegExp('[a-z0-9-]', 'v')` throws,
`new RegExp('[a-z0-9\\-]', 'v')` doesn't. Escaping the hyphen fixes it
without changing what the pattern matches.
This commit is contained in:
iris 2026-08-17 23:56:53 +02:00
commit e71e4ef432
1 changed files with 10 additions and 1 deletions
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11
frontend/packages/swarm-ui/src/pages/CreateAgentPage.tsx
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@ -42,7 +42,16 @@ type SubmitState =
// a `pattern` hint only, not a substitute for the server's own
// validation; a name this rejects would fail server-side anyway, so
// catching it before a round-trip is a pure UX win, not a new gate.
const NAME_PATTERN = '[a-z0-9-]{1,63}';
//
// Hyphen escaped (`\-`) rather than left trailing in the class: modern
// browsers validate the `pattern` attribute's regex in Unicode-set (`v`)
// mode, which is far stricter about hyphen placement than classic mode —
// `[a-z0-9-]` throws "Invalid character class" under `v` mode even though
// it's valid classic-mode regex (a trailing `-` is unambiguous there).
// Reproduced directly: `new RegExp('[a-z0-9-]', 'v')` throws,
// `new RegExp('[a-z0-9\\-]', 'v')` doesn't — confirmed via mara's console
// exception report on this page.
const NAME_PATTERN = '[a-z0-9\\-]{1,63}';
export function CreateAgentPage() {
const [name, setName] = useState('');