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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 - What does ?= mean in a regular expression? - Stack Overflow
May I know what ?= means in a regular expression? For example, what is its significance in this expression: (?= *\\d)
- regex - Carets in Regular Expressions - Stack Overflow
Specifically when does ^ mean "match start" and when does it mean "not the following" in regular expressions? From the Wikipedia article and other references, I've concluded it means the former a
- regex - Regular Expressions: Is there an AND operator? - Stack Overflow
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" could be regarded as misleading or incorrect) I'm guessing the fact that it worked for you was an isolated accident
- 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- 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 - 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
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