题解 | 去掉不需要的单词
去掉不需要的单词
https://www.nowcoder.com/practice/838a3acde92c4805a22ac73ca04e503b
#!/bin/bash sed 正则表达式 sed '/[bB]/d' nowcoder.txt
去掉不需要的单词
https://www.nowcoder.com/practice/838a3acde92c4805a22ac73ca04e503b
#!/bin/bash sed 正则表达式 sed '/[bB]/d' nowcoder.txt
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