Campus Livre
whitespacePattern
Pattern that matches whitespace characters.
Category: Language Fundamentals > Data Types
Syntax
pat = whitespacePatternMatches one or more consecutive whitespace characters.
pat = whitespacePattern(n)Matches exactly n whitespace characters.
pat = whitespacePattern(min, max)Matches between min and max whitespace characters; max may be Inf.
Description
Spaces, tabs and line breaks all count as whitespace. Without arguments the pattern is greedy, so a run of several spaces is a single match.
It replaces the regular expression \s+ in most text-cleaning code, and can be joined to other patterns with +.
Input arguments
n- Exact number of whitespace characters to match.
min, max- Lower and upper limits on the run length.
Output arguments
pat- A
patternobject to use withextract,split,replace,contains,countand similar text functions.
Example
Split on runs of whitespace
s = "a b c";
split(s, whitespacePattern)
count(s, whitespacePattern)Output
ans = 3×1 string array
"a"
"b"
"c"
ans = 2