- Replace wrappers around strings Find string
<\?= __\('(.*)?'\) \?> // <?= __('必須') ?>
Substitution
<!-- ko i18n: '$1'--><!-- /ko --> //<!-- ko i18n: '必須'--><!-- /ko -->
- Trim unicode/UTF-8 whitespace in PHP
preg_replace('/^[\pZ\pC]+|[\pZ\pC]+$/u', '', $string);