String matches() Method
This method tells whether or not this string matches the given regular expression. An invocation of this method of the form str.matches(regex) yields exactly the same result as the expression Pattern.matches(regex, str).
Syntax of String matches() method
public boolean matches (String regex)
Parameters
- regex: The regular expression to which this string is to be matched.
Return Type
- Boolean value, returning true if and only if strings match the given regular expression else false.
Example of String matches() Method
Java
// Java Program to Demonstrate Working of matches() Method// of String class// Main classpublic class GFG { // Main driver method public static void main(String args[]) { // Declaring and initializing a string // Input string String Str = new String("Welcome to w3wiki"); // Display message for better readability System.out.print( "Does String contains regex (.*)geeks(.*) ? : "); // Testing if regex is present or not System.out.println(Str.matches("(.*)geeks(.*)")); // Display message for better readability System.out.print( "Does String contains regex geeks ? : "); // Testing if regex is present or not System.out.println(Str.matches("geeks")); }} |
Output
Does String contains regex (.*)geeks(.*) ? : true Does String contains regex geeks ? : false
String matches() Method in Java with Examples
Variants of matches() method is used to tell more precisely not test whether the given string matches to a regular expression or not as whenever this method is called in itself as matches() or be it matches() where here we do pass two arguments that are our string and regular expression, the working and output remains same.
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