What are modifiers in regular expression
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Modifiers in regular expressions are special symbols or flags that alter the behavior of the pattern matching. Common modifiers include:
* i: Case-insensitive matching.
* g: Global matching (find all matches rather than stopping after the first).
* m: Multiline mode (treats ^ and $ as matching the start and end of each line, not just the start and end of the string).
* s: Dotall mode (allows the dot . to match newline characters).
* x: Extended mode (ignores whitespace and allows for comments in the regex pattern).