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Nested Groups
Question Posted on 19 Apr 2020

Home >> Tutorial >> Regex >> Nested Groups

Nested Groups
When we are working with complex data then we have to handle multiple layers of layers which can result in nested groups. In below regex we need test a specified type of text as given in below example

(12)Excercise :- Nested Groups
Task    Text
Match    Jan 1987
Match    May 1969
Match    Aug 2010

write an expression that matches and captures both the full date, as well as the year of the date.

InputAnswer:-

To view Solution for above Regex

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Conditional Regex

:) Categoriese

abc…	Letters
123…	Digits
d	Any Digit
D	Any Non-digit character
.	Any Character
.	Period
[abc]	Only a, b, or c
[^abc]	Not a, b, nor c
[a-z]	Characters a to z
[0-9]	Numbers 0 to 9
w	Any Alphanumeric character
W	Any Non-alphanumeric character
{m}	m Repetitions
{m,n}	m to n Repetitions
*	Zero or more repetitions
+	One or more repetitions
?	Optional character
s	Any Whitespace
S	Any Non-whitespace character
^…$	Starts and ends
(…)	Capture Group
(a(bc))	Capture Sub-group
(.*)	Capture all
(abc\|def)	Matches abc or def

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