[wp-trac] [WordPress Trac] #43224: Extract `$utf8_pcre` from `wp_check_invalid_utf8()` into a separate function

[WordPress Trac]

#43224: Extract `$utf8_pcre` from `wp_check_invalid_utf8()` into a separate
function
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 Reporter:  jaswrks      |       Owner:
     Type:  enhancement  |      Status:  new
 Priority:  normal       |   Milestone:  Awaiting Review
Component:  Formatting   |     Version:  trunk
 Severity:  normal       |  Resolution:
 Keywords:               |     Focuses:
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Comment (by jaswrks):

 Referencing: https://github.com/WordPress/gutenberg/issues/4852

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Ticket URL: <https://core.trac.wordpress.org/ticket/43224#comment:1>
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