Whitespace in Regex: Patterns for Spaces, Tabs, Newlines, and Unicode
Match whitespace precisely with regex: \s, \t, \n, \r, \f, \v and Unicode space categories. Patterns for trimming, collapsing, and splitting on whitespace.
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Tags: text, developer-tools, programming
Whitespace in Regular Expressions: \s, \t, \n, and the x Flag Regular expressions treat whitespace as first-class content — but which whitespace? The answer depends on which character class you use. is broad and sometimes too broad. is precise. means different things in different regex flavors. And the flag (verbose mode) lets you use literal whitespace inside a regex without it being interpreted as a match pattern. This guide covers every whitespace-related regex tool you need for text processing. --------|---------|------| | | U+0020 | Space | | | U+0009 | Horizontal Tab | | | U+000A | Line Feed | | | U+000D | Carriage Return | | | U+000C | Form Feed | | | U+000B | Vertical Tab | In JavaScript with the Unicode flag (), also matches Unicode space separators like non-breaking space (), en…
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