The
regionStart() method of
Matcher Class is used to get the startIndex of the region to be matched by the pattern in the current matcher. This method returns an integer value which is the startIndex of the region of this matcher.
Syntax:
public int regionStart()
Parameters: This method takes no parameters.
Return Value: This method returns a
integer value which is the startIndex of the region of this matcher.
Below examples illustrate the Matcher.regionStart() method:
Example 1:
Output:
Before changing region, Region starts from: 0
After changing region, Region starts from: 2
Example 2:
