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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
- javascript - What is the need for caret (^) and dollar symbol ($) in . . .
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 the start of the string $ represents the end of the current line in multi-line mode, otherwise the end of the string For example: this allows you to match something like semicolons at the end of a line where the next
- 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 - 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
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
- 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
- Regex that accepts only numbers (0-9) and NO characters
By putting ^ at the beginning of your regex and $ at the end, you ensure that no other characters are allowed before or after your regex For example, the regex [0-9] matches the strings "9" as well as "A9B", but the regex ^[0-9]$ only matches "9"
- 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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