3686                 int64_t groupStartIdx = fp->fExtra[opValue];  in MatchAt()  local
3688                 U_ASSERT(groupStartIdx <= groupEndIdx);  in MatchAt()
3689                 if (groupStartIdx < 0) {  in MatchAt()
3694                 UTEXT_SETNATIVEINDEX(fAltInputText, groupStartIdx);  in MatchAt()
3733                 int64_t groupStartIdx = fp->fExtra[opValue];  in MatchAt()  local
3735                 U_ASSERT(groupStartIdx <= groupEndIdx);  in MatchAt()
3736                 if (groupStartIdx < 0) {  in MatchAt()
3741                 utext_setNativeIndex(fAltInputText, groupStartIdx);  in MatchAt()
5229                 int64_t groupStartIdx = fp->fExtra[opValue];  in MatchChunkAt()  local
5231                 U_ASSERT(groupStartIdx <= groupEndIdx);  in MatchChunkAt()
5233                 if (groupStartIdx < 0) {  in MatchChunkAt()
5239 …    for (int64_t groupIndex = groupStartIdx; groupIndex < groupEndIdx; ++groupIndex,++inputIndex) {  in MatchChunkAt()
5250 …              if (success && groupStartIdx < groupEndIdx && U16_IS_LEAD(inputBuf[groupEndIdx-1]) &&  in MatchChunkAt()
5267                 int64_t groupStartIdx = fp->fExtra[opValue];  in MatchChunkAt()  local
5269                 U_ASSERT(groupStartIdx <= groupEndIdx);  in MatchChunkAt()
5270                 if (groupStartIdx < 0) {  in MatchChunkAt()
5275                 CaseFoldingUCharIterator captureGroupItr(inputBuf, groupStartIdx, groupEndIdx);  in MatchChunkAt()