
regex - How .* (dot star) works? - Stack Overflow
Oct 1, 2012 · In Regex, . refers to any character, be it a number, an aplhabet character, or any other special character. * means zero or more times.
regex - What does ?= mean in a regular expression? - Stack …
Oct 15, 2009 · May I know what ?= means in a regular expression? For example, what is its significance in this expression: (?=.*\\d).
javascript - What is the need for caret (^) and dollar symbol ($) in ...
Aug 16, 2020 · Javascript RegExp () allows you to specify a multi-line mode (m) which changes the behavior of ^ and $. ^ represents the start of the current line in multi-line mode, otherwise …
regex - Regular Expressions- Match Anything - Stack Overflow
How do I make an expression to match absolutely anything (including whitespaces)? Example: Regex: I bought _____ sheep. Matches: I bought sheep. I bought a sheep. I bought five …
regex - Matching up to the first occurrence of a character with a ...
Be aware that the first ^ in this answer gives the regex a completely different meaning: It makes the regular expression look only for matches starting from the beginning of the string.
Regex: ?: notation (Question mark and colon notation)
Dec 8, 2018 · The regex compiles fine, and there are already JUnit tests that show how it works. It's just that I'm a bit confused about why the first question mark and colon are there.
What does regular expression \\s*,\\s* do? - Stack Overflow
59 That regex "\\s*,\\s*" means: \s* any number of whitespace characters a comma \s* any number of whitespace characters which will split on commas and consume any spaces either …
regex - What are ^.* and .*$ in regular expressions? - Stack Overflow
In case it is JS it indicates the start and end of the regex, like quotes for strings. stackoverflow.com/questions/15661969/…
regex - Regular Expressions: Is there an AND operator? - Stack …
In regex in general, ^ is negation only at the beginning of a character class. Unless CMake is doing something really funky (to the point where calling their pattern matching language …
regex - Learning Regular Expressions - Stack Overflow
Aug 7, 2008 · Regex Syntax Summary How Regexes Work JavaScript Regular Expressions Footnote †: The statement above that . matches any character is a simplification for …