internal static bool IsECMAWordChar(char ch) { return CharInClass(ch, ECMAWordClass); }
protected bool IsECMABoundary(int index, int startpos, int endpos) { return((index > startpos && RegexCharClass.IsECMAWordChar(_runtext[index - 1])) != (index < endpos && RegexCharClass.IsECMAWordChar(_runtext[index]))); }