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fix typo

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János Orcsik 2020-06-30 00:16:07 +02:00
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@ -32,7 +32,7 @@
* [Tiếng Việt](translations/README-vn.md) * [Tiếng Việt](translations/README-vn.md)
* [فارسی](translations/README-fa.md) * [فارسی](translations/README-fa.md)
## What are Regular Expressions? ## What is Regular Expression?
> A regular expression is a group of characters or symbols which is used to find a specific pattern in a text. > A regular expression is a group of characters or symbols which is used to find a specific pattern in a text.
@ -280,7 +280,7 @@ regular expression `[0-9]{3}` means: Match exactly 3 digits.
## 2.5 Capturing Groups ## 2.5 Capturing Groups
A capturing group is a group of sub-patterns that is written inside parentheses A capturing group is a group of subpatterns that is written inside parentheses
`(...)`. As discussed before, in regular expressions, if we put a quantifier `(...)`. As discussed before, in regular expressions, if we put a quantifier
after a character then it will repeat the preceding character. But if we put a quantifier after a character then it will repeat the preceding character. But if we put a quantifier
after a capturing group then it repeats the whole capturing group. For example, after a capturing group then it repeats the whole capturing group. For example,
@ -356,7 +356,7 @@ character.
In regular expressions, we use anchors to check if the matching symbol is the In regular expressions, we use anchors to check if the matching symbol is the
starting symbol or ending symbol of the input string. Anchors are of two types: starting symbol or ending symbol of the input string. Anchors are of two types:
The first type is the caret `^` that check if the matching character is the first The first type is the caret `^` that checks if the matching character is the first
character of the input and the second type is the dollar sign `$` which checks if a matching character of the input and the second type is the dollar sign `$` which checks if a matching
character is the last character of the input string. character is the last character of the input string.