Flags

Flags in the compile() method change how the search is performed. Here are a few of them:

• Pattern.CASE_INSENSITIVE - The case of letters will be ignored when performing a search.
• Pattern.LITERAL - Special characters in the pattern will not have any special meaning and will be treated as ordinary characters when performing a search.
• Pattern.UNICODE_CASE - Use it together with the CASE_INSENSITIVE flag to also ignore the case of letters outside of the English alphabet

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