isRtl static method
Implementation
static bool isRtl(String text) {
for (final int code in text.runes) {
if (isRtlCode(code)) return true;
if (code >= 0x41 && code <= 0x5A) return false;
if (code >= 0x61 && code <= 0x7A) return false;
}
return false;
}