Capturing Groups

Capturing Groups provide a way to specify multiple characters as single unit.

Ex:

(XYZ)

((X)(Y(Z)))

Capturing groups are numbered by counting their opening parentheses from left to right. For Example, in the expression '((Z)(Y(Z)))' there are four capturing groups.

1. ((X)(Y(Z)))

2. (X)

3. (Y(Z))

4. (Z)

Sample Output

Enter Regular Expression

(ab){2}\s(ab)

Enter the string

abab ab

I found the text abab ab starting at index 0 Ending at index 7

Note:

Use this program to run above sample

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