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xiangzhuyuan/ruby_str_remove_allwhitespace.md

Created August 17, 2017 02:48
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ruby string remove all whitespace
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ruby_str_remove_allwhitespace.md

https://stackoverflow.com/questions/1634750/ruby-function-to-remove-all-white-spaces

String#strip - remove all whitespace from the start and the end.

String#lstrip - just from the start.

String#rstrip - just from the end.

String#chomp (with no arguments) - deletes line separators (\n or \r\n) from the end.

String#chop - deletes the last character.

String#delete - x.delete(" \t\r\n") - deletes all listed whitespace.

String#gsub - x.gsub(/[[:space:]]/, '') - removes all whitespace, including unicode ones.
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choose this:

String#gsub - x.gsub(/[[:space:]]/, '')

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