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Text lesson

regionMatches()

Example

Verify if two regions of strings are identical.

String myStr1 = “Hello, World!”;

String myStr2 = “New World”;
System.out.println(myStr1.regionMatches(7, myStr2, 4, 5));
System.out.println(myStr1.regionMatches(0, myStr2, 0, 5));

Definition and Usage

The regionMatches() method compares segments within two distinct strings to determine if they are identical.

Syntax

One of the following:

public boolean regionMatches(boolean ignoreCase, int offset, String other, int otherOffset, int length)

public boolean regionMatches(int offset, String other, int otherOffset, int length)

Parameter Values

Parameter	Description
ignoreCase	Optional. If set to true, the comparison between regions will be case-insensitive. Defaults to false
offset	Mandatory. The starting position in the string of the first region.
other	Mandatory. The string containing the second region being compared
otherOffset	Mandatory. The starting position in the second string of the second region.
length	Mandatory. The length of the regions being compared.

Technical Details

Returns	Returns true if the two regions are equal; otherwise, returns false.
Java Version	Any