Why doesn't \b\w+\b match a word?
59646
Do regular expressions from the re module support word boundaries (\b)?
152668
Is word splitting a part of POSIX?
34334
Combinatorics Problem with symbols and spaces
17005
polyglossia or bidi bug: [\d\.] gets inverted to [\.\d]
156534
Tokens causing incorrect text substitutions
113601
What is the difference between .*? and .* regular expressions?
11189
'is' operator behaves differently when comparing strings with spaces
61463
How can I match double-quoted strings with escaped double-quote characters?
88594
Multiple hyphens in a word
102066
How can I match a pipe character followed by whitespace and another pipe?
138938
What is the difference between `a[bc]d` (brackets) and `a{b,c}d` (braces)?
152799
What does a b prefix before a python string mean?
5639
No \xrightrightarrow[a]{b}?
125665
Bug with tags with plus in name
113535
Regex word boundary alternatives inside parentheses does not work?
38456
What are "\" delimiters in box expressions?
79345
Why does "cat {foo}" not output foo, but "cat {foo,bar}" does?