String Regex Methods

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Tutorial: String Regex Methods

In addition the the Pattern and Matcher classes, there is some support for regular expressions in the String class.

Tutorial Details:

In addition the the Pattern and Matcher classes, there is some support for regular expressions in the String class.

boolean b;
String s, s2, t;
String regex;
String[] sa;

b = s.matches(regex) True if regex matches the entire string in s. Same as Pattern.matches(regex, s)
s2 = s.replaceAll(regex, t) Returns a new string by replacing each substring in s that matches regex with t
s2 = s.replaceFirst(regex, t) Replaces first substring in s that is matched by regex with String t

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