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๋ชฉ๋กShell (1)

data_lab

[leetcode] shell - Valid Phone Numbers

1 2 3 4 5 # Read from the file file.txt and output all valid phone numbers to stdout. #!/bin/sh sed -n -r '/^([0-9]{3}-|\([0-9]{3}\) )[0-9]{3}-[0-9]{4}$/p' file.txt Colored by Color Scripter cs
๋ฏธ์‚ฌ์šฉ/์•Œ๊ณ ๋ฆฌ์ฆ˜ ์ •๋ฆฌ 2021. 6. 14. 21:46
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