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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 - 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
- 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 - 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 - 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 - 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 - 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 - Question marks in regular expressions - Stack Overflow
I'm reading the regular expressions reference and I'm thinking about ? and ?? characters Could you explain me with some examples their usefulness? I don't understand them enough thank you
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