Check If String Matches Regex Java

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Check If String Matches Regex Java

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All In One Java Regex Matcher Pattern And Regular Expressions Tutorial

The matches method checks whether the string matches the given regular expression or not Example class Main public static void main String args a regex pattern for four letter string that starts with J and end with a String regex J a System out println Java matches regex Output true Run Code 51 TL DR For simple substrings contains is best but for only matching whole words Regular Expression are probably better The best way to see which method is more efficient is to test it You can use String contains instead of String indexOf to simplify your non regexp code

Check If A String Is A Substring Of Another GeeksforGeeks YouTube

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