我有一个字符串列表如下:
['/home/xin/Downloads/BrainImaging_UNC/out04_adni_roi_signals2/roi_signals_power264_sub-130_S_4817-ses-2018-05-04_14_33_33.0.txt',
'/home/xin/Downloads/BrainImaging_UNC/out04_adni_roi_signals2/roi_signals_power264_sub-141_S_0767-ses-2019-04-08_12_52_36.0.txt',
'/home/xin/Downloads/BrainImaging_UNC/out04_adni_roi_signals2/roi_signals_power264_sub-041_S_5097-ses-2019-05-07_09_56_14.0.txt',
'/home/xin/Downloads/BrainImaging_UNC/out04_adni_roi_signals2/roi_signals_power264_sub-068_S_4061-ses-2017-09-26_14_07_37.0.txt',
'/home/xin/Downloads/BrainImaging_UNC/out04_adni_roi_signals2/roi_signals_power264_sub-002_S_1280-ses-2017-03-13_13_38_31.0.txt',
'/home/xin/Downloads/BrainImaging_UNC/out04_adni_roi_signals2/roi_signals_power264_sub-082_S_5282-ses-2019-06-17_10_11_15.0.txt',
'/home/xin/Downloads/BrainImaging_UNC/out04_adni_roi_signals2/roi_signals_power264_sub-018_S_4399-ses-2019-08-06_13_03_58.0.txt',
'/home/xin/Downloads/BrainImaging_UNC/out04_adni_roi_signals2/roi_signals_power264_sub-123_S_0106-ses-2018-10-11_12_54_59.0.txt',
'/home/xin/Downloads/BrainImaging_UNC/out04_adni_roi_signals2/roi_signals_power264_sub-141_S_2333-ses-2018-12-26_15_31_55.0.txt',
'/home/xin/Downloads/BrainImaging_UNC/out04_adni_roi_signals2/roi_signals_power264_sub-031_S_2018-ses-2019-01-24_11_26_13.0.txt',
'/home/xin/Downloads/BrainImaging_UNC/out04_adni_roi_signals2/roi_signals_power264_sub-041_S_0679-ses-2017-07-05_09_46_36.0.txt',
'/home/xin/Downloads/BrainImaging_UNC/out04_adni_roi_signals2/roi_signals_power264_sub-037_S_0303-ses-2017-05-11_13_39_46.0.txt',
'/home/xin/Downloads/BrainImaging_UNC/out04_adni_roi_signals2/roi_signals_power264_sub-037_S_0454-ses-2017-09-06_09_41_25.0.txt',
'/home/xin/Downloads/BrainImaging_UNC/out04_adni_roi_signals2/roi_signals_power264_sub-068_S_2187-ses-2019-10-09_13_19_17.0.txt',
'/home/xin/Downloads/BrainImaging_UNC/out04_adni_roi_signals2/roi_signals_power264_sub-116_S_4043-ses-2018-03-02_10_03_10.0.txt',
我希望用“sub-??”模式提取唯一的主题id_S_u???'在名单上。
到目前为止,我可以用:
unique_subject = re.search('(.*)_sub-(.*)-ses(.*).txt', all_files[0]).group(2)
但这只适用于单个字符串。我需要做一个循环。
unique_subject = set()
for f in all_files:
unique_subject.add(re.search('(.*)_sub-(.*)-ses(.*).txt', f).group(2))
我想知道是否有更好的方法来做到这一点。最后,我想为每个主题安排第一节课。有没有快速的方法?
