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How to match whitespace in sed?
Fresh7 days ago
Mar 15, 2026510226 viewsConfidence Score1%
1%
Problem
How can I match whitespace in sed? In my data I want to match all of 3+ subsequent whitespace characters (tab space) and replace them by 2 spaces. How can this be done?
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Fix for: How to match whitespace in sed?
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The character class will match the whitespace characters and . For example: will substitute every sequence of at least 3 whitespaces with two spaces. REMARK: For POSIX compliance, use the character class instead of , since the latter is a GNU sed extension. See the POSIX specifications for sed and BREs
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