View file phpBB3/vendor/s9e/text-formatter/src/Plugins/Litedown/Parser/Passes/Subscript.js

function parse()
{
	parseAbstractScript('SUB', '~', /~[^\x17\s!"#$%&\'()*+,\-.\/:;<=>?@[\]^_`{}|~]+~?/g, /~\([^\x17()]+\)/g);
}