strinfo=re.compile(r'([\u4e00-\u9fa5]|[\d])')
df['label']=df['data'].apply(lambda x:strinfo.sub('',x))
strip_ = re.compile (r '([ ,] | [.] | [:] | [,])')
brackets symbols not need to add the quotes
strinfo=re.compile(r'([\u4e00-\u9fa5]|[\d])')
df['label']=df['data'].apply(lambda x:strinfo.sub('',x))
strip_ = re.compile (r '([ ,] | [.] | [:] | [,])')
brackets symbols not need to add the quotes