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- regex - How . * (dot star) works? - Stack Overflow
In Regex, refers to any character, be it a number, an aplhabet character, or any other special character * means zero or more times
- 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)
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
- regex - Regular Expressions- Match Anything - Stack Overflow
Normally the dot matches any character except newlines So if * isn't working, set the "dot matches newlines, too" option (or use (?s) *) If you're using JavaScript, which doesn't have a "dotall" option, try [\s\S]* This means "match any number of characters that are either whitespace or non-whitespace" - effectively "match any string" Another option that only works for JavaScript (and is
- 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 …
- 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 side
- What does ?: do in regex - Stack Overflow
It indicates that the subpattern is a non-capture subpattern That means whatever is matched in (?:\w+\s), even though it's enclosed by () it won't appear in the list of matches, only (\w+) will You're still looking for a specific pattern (in this case, a single whitespace character following at least one word), but you don't care what's actually matched
- regex - How to match any character in regular expression? - Stack . . .
For reference, from regular-expressions info dot html: "JavaScript and VBScript do not have an option to make the dot match line break characters In those languages, you can use a character class such as [\s\S] to match any character This character matches a character that is either a whitespace character (including line break characters), or a character that is not a whitespace character
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