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  1. #!/bin/bash
  2. s='AFM_7499_190512_110136_001_p_EQ4H_1_s60_0012__386___Day_'
  3. echo "$s"
  4. sed -E  's/([^_]|^)__([^_]|$)/\1.abc.def__\2/g' <<< "$s"
  5. perl -i -pe 's/(?<!_)__(?!_)/.abc.def__/g' <<< "$s"
Success #stdin #stdout #stderr 0.01s 5376KB
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stdin
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Standard input is empty
stdout
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AFM_7499_190512_110136_001_p_EQ4H_1_s60_0012__386___Day_
AFM_7499_190512_110136_001_p_EQ4H_1_s60_0012.abc.def__386___Day_
AFM_7499_190512_110136_001_p_EQ4H_1_s60_0012.abc.def__386___Day_
stderr
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-i used with no filenames on the command line, reading from STDIN.
https://ideone.com/9SBMW9
language:
Bash (bash 5.0.3)
created:
3 years ago
visibility:
secret

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