Case Insensitive Regular Expressions in Python Without re.compile

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Understanding Case Insensitivity in Regular Expressions

Case insensitivity in regex allows you to match characters regardless of their case. For instance, the pattern a would match both a and A when case insensitivity is enabled. This can be particularly useful when searching for patterns in text where case variations are common.

The re.IGNORECASE Flag

To make a regex case insensitive, you can use the re.IGNORECASE (or re.I) flag. This flag can be passed directly to regex functions.

Examples

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Conclusion