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Icu Match

hphp/hack/manual/apis/Functions/icu_match.md

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:::info[Note] This is a point-in-time snapshot of the API documentation from January 2026. Going forward, we will not be maintaining a public copy of these references, and recommend users to refer to the built-in signature helpers available in the Hack LSP instead for complete and up-to-date information. :::

Hack
function icu_match(
  string $pattern,
  string $subject,
  int $flags = 0,
): mixed;

Parameters

  • string $pattern
  • string $subject
  • int $flags = 0

Returns

  • mixed
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