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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: ?: 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
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 sheep I tried usi
- 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
- What is the difference between (. *?) and (. *)? in regex?
This feature is much more useful when you have a more complicated regex Here, the parser doesn't have to capture anything at all to get a match: the asterisk allows any number of characters in the capturing group, while the question mark makes the parser save as many as possible from the input text for later, resulting in nothing being captured
- regex - Regular expression to match string starting with a specific . . .
How do I create a regular expression to match a word at the beginning of a string? We are looking to match stop at the beginning of a string and anything can follow it For example, the expression
- regex - What is a non-capturing group in regular expressions? - Stack . . .
What is also important there is that regex with non-capturing groups (?: is much faster than the same regex with capturing groups ' (' So we should use non-capturing groups when we don't need capturing groups
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