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Gordon Bai 2019-08-05 16:54:13 +01:00 committed by GitHub
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@ -278,7 +278,7 @@ regular expression `[0-9]{3}` means: Match exactly 3 digits.
## 2.5 Capturing Group
A capturing group is a group of sub-patterns that is written inside Parentheses
`(...)`. Like As we discussed before that in regular expression if we put a quantifier
`(...)`. Like as we discussed before that in regular expression if we put a quantifier
after a character then it will repeat the preceding character. But if we put quantifier
after a capturing group then it repeats the whole capturing group. For example,
the regular expression `(ab)*` matches zero or more repetitions of the character