better regex for speaker ids
better regex for speaker ids


Former-commit-id: b722d5bf7ec770c99ca74ceee681682c8d50ea4c [formerly 4a8bee34c6a312c8e17f98e4833ddff3df0a98b4]
Former-commit-id: afde4cfa8e77731d813a12bee42209366dd6df1c
SigridK/corpkit,SigridK/corpkit