Replacing some characters in a string with another character

by 
echo "$string" | tr xyz _

would replace each occurrence of x, y, or z with _, giving A__BC___DEF__LMN in your example.

echo "$string" | sed -r 's/[xyz]+/_/g'

would replace repeating occurrences of x, y, or z with a single _, giving A_BC_DEF_LMN in your example.

More Related Contents:

  1. How to check if a string contains a substring in Bash
  2. How to compare strings in Bash
  3. How to use sed/grep to extract text between two words?
  4. How to trim whitespace from a Bash variable?
  5. Getting “command not found” error while comparing two strings in Bash
  6. How do I use variables in single quoted strings?
  7. How to get a variable value if variable name is stored as string?
  8. Extract substring in Bash
  9. In Bash, how can I check if a string begins with some value?
  10. How do I remove the file suffix and path portion from a path string in Bash?
  11. Get string after character [duplicate]
  12. Test whether string is a valid integer
  13. How to test if string exists in file with Bash?
  14. Bash doesn’t parse quotes when converting a string to arguments
  15. Bash: Split string into character array
  16. How to return a string value from a Bash function
  17. Multi-line string with extra space (preserved indentation)
  18. Extract part of a string using bash/cut/split
  19. How can I compare a string to multiple correct values in Bash?
  20. Shell script – remove first and last quote (“) from a variable
  21. How to echo “$x_$y” in Bash script?
  22. Convert specified column in a multi-line string into single comma-separated line
  23. bash : Bad Substitution
  24. Bash: manipulating with strings (percent sign)
  25. Test for empty string with X”” [duplicate]
  26. Split bash string by newline characters
  27. What’s the difference of strings within single or double quotes in groovy?
  28. Difference between text and varchar (character varying)
  29. pass character strings to ggplot2 within a function
  30. Swift – Split string over multiple lines

Leave a Comment