我目前有一个名为computers.txt的文件
ST 314,Fox,PC,Unix
ST 13,Newman,Mac
ST 212,Frank,Linux,PC
BP 311,Jones,PC
ST 404,Walden,PC,Linux
ST 303,Noblitt,PC
ST 102,Christensen,Mac
ST 301,Ward,PC
SB 444,Smith,Mac
ST 202,Kirby,Mac,PC
ST 361,Lab,Linux
ST 333,Hu,Unix,PC
如果成员名称以字母F,G,H,I,J或K开头,我需要使用正则表达式显示该行。有什么帮助?
答案 0 :(得分:1)
使用 grep :
grep '^[^,]*, *[FGHIJK]' file
输出:
ST 314, Fox, PC, Unix
ST 212, Frank, Linux, PC
BP 311, Jones, PC
ST 202, Kirby, Mac, PC
ST 333, Hu, Unix, PC
答案 1 :(得分:0)
awk -F', *' '$2 ~ /^[FGHIJK]/' file
答案 2 :(得分:0)
cat jake
ST 314, Fox, PC, Unix
ST 13, Newman, Mac
ST 212, Frank, Linux, PC
BP 311, Jones, PC
ST 404, Walden, PC, Linux
ST 303, Noblitt, PC
ST 102, Christensen, Mac
ST 301, Ward, PC
SB 444, Smith, Mac
ST 202, Kirby, Mac, PC
ST 361, Lab, Linux
ST 333, Hu, Unix, PC
然后
awk -F, '$2~/^[FGHIJK]/' jake
ST 314, Fox, PC, Unix
ST 212, Frank, Linux, PC
BP 311, Jones, PC
ST 202, Kirby, Mac, PC
ST 333, Hu, Unix, PC