<?php $format = '{%[^:}]:%[^}]}}'; var_dump(sscanf('foo', $format, $a, $b), $a, $b); var_dump(sscanf('{foo}', $format, $a, $b), $a, $b); var_dump(sscanf('{foo:bar}', $format, $a, $b), $a, $b);
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