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Merge pull request #172 from rruc/master

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Correct typos
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Zeeshan Ahmad 2019-11-11 16:51:15 +04:00 committed by GitHub
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@ -253,7 +253,7 @@ character `e`.
In regular expression braces that are also called quantifiers are used to In regular expression braces that are also called quantifiers are used to
specify the number of times that a character or a group of characters can be specify the number of times that a character or a group of characters can be
repeated. For example, the regular expression `[0-9]{2,3}` means: Match at least repeated. For example, the regular expression `[0-9]{2,3}` means: Match at least
2 digits but not more than 3 ( characters in the range of 0 to 9). 2 digits but not more than 3 (characters in the range of 0 to 9).
<pre> <pre>
"[0-9]{2,3}" => The number was 9.<a href="#learn-regex"><strong>999</strong></a>7 but we rounded it off to <a href="#learn-regex"><strong>10</strong></a>.0. "[0-9]{2,3}" => The number was 9.<a href="#learn-regex"><strong>999</strong></a>7 but we rounded it off to <a href="#learn-regex"><strong>10</strong></a>.0.
@ -422,7 +422,7 @@ shorthand character sets are as follows:
## 4. Lookaround ## 4. Lookaround
Lookbehind and lookahead (also called lookaround) are specific types of Lookbehind and lookahead (also called lookaround) are specific types of
***non-capturing groups*** (Used to match the pattern but not included in matching ***non-capturing groups*** (used to match the pattern but not included in matching
list). Lookarounds are used when we have the condition that this pattern is list). Lookarounds are used when we have the condition that this pattern is
preceded or followed by another certain pattern. For example, we want to get all preceded or followed by another certain pattern. For example, we want to get all
numbers that are preceded by `$` character from the following input string numbers that are preceded by `$` character from the following input string
@ -579,8 +579,8 @@ at the end of each line in a string.
[Test the regular expression](https://regex101.com/r/E88WE2/1) [Test the regular expression](https://regex101.com/r/E88WE2/1)
## 6. Greedy vs lazy matching ## 6. Greedy vs lazy matching
By default regex will do greedy matching , means it will match as long as By default regex will do greedy matching which means it will match as long as
possible. we can use `?` to match in lazy way means as short as possible possible. We can use `?` to match in lazy way which means as short as possible.
<pre> <pre>
"/(.*at)/" => <a href="#learn-regex"><strong>The fat cat sat on the mat</strong></a>. </pre> "/(.*at)/" => <a href="#learn-regex"><strong>The fat cat sat on the mat</strong></a>. </pre>