TheCloud/learn-regex
1
0
Fork 0
mirror of https://github.com/ziishaned/learn-regex.git synced 2025-08-06 03:26:42 -04:00
Code Issues Packages Projects Releases Wiki Activity

Add feature

Browse Source 
Add back to top feature for better navigation (Hopefully)
This commit is contained in:
Narayan soni 2021-12-25 02:17:04 +05:30 committed by GitHub
parent 27c2e30495
commit 599e806fb1
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 11 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
README.md
View File

@ -112,6 +112,8 @@ not match the string `the`.
[Test the regular expression](https://regex101.com/r/1paXsy/1) [Test the regular expression](https://regex101.com/r/1paXsy/1)
**[⬆ back to top](#table-of-contents)**
## 2. Meta Characters ## 2. Meta Characters
Meta characters are the building blocks of regular expressions. Meta Meta characters are the building blocks of regular expressions. Meta
@ -402,6 +404,8 @@ character and the matcher must be at the end of the string.
[Test the regular expression](https://regex101.com/r/t0AkOd/1) [Test the regular expression](https://regex101.com/r/t0AkOd/1)
**[⬆ back to top](#table-of-contents)**
## 3. Shorthand Character Sets ## 3. Shorthand Character Sets
There are a number of convenient shorthands for commonly used character sets/ There are a number of convenient shorthands for commonly used character sets/
@ -417,6 +421,8 @@ regular expressions:
|\s|Matches whitespace characters: `[\t\n\f\r\p{Z}]`| |\s|Matches whitespace characters: `[\t\n\f\r\p{Z}]`|
|\S|Matches non-whitespace characters: `[^\s]`| |\S|Matches non-whitespace characters: `[^\s]`|
**[⬆ back to top](#table-of-contents)**
## 4. Lookarounds ## 4. Lookarounds
Lookbehinds and lookaheads (also called lookarounds) are specific types of Lookbehinds and lookaheads (also called lookarounds) are specific types of
@ -496,6 +502,8 @@ string that are not after the word `The` or `the`.
[Test the regular expression](https://regex101.com/r/8Efx5G/1) [Test the regular expression](https://regex101.com/r/8Efx5G/1)
**[⬆ back to top](#table-of-contents)**
## 5. Flags ## 5. Flags
Flags are also called modifiers because they modify the output of a regular Flags are also called modifiers because they modify the output of a regular
@ -575,6 +583,8 @@ 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)
**[⬆ back to top](#table-of-contents)**
## 6. Greedy vs Lazy Matching ## 6. Greedy vs Lazy Matching
By default, a regex will perform a greedy match, which means the match will be as long as By default, a regex will perform a greedy match, which means the match will be as long as
possible. We can use `?` to match in a lazy way, which means the match should be as short as possible. possible. We can use `?` to match in a lazy way, which means the match should be as short as possible.
@ -591,6 +601,7 @@ possible. We can use `?` to match in a lazy way, which means the match should be
[Test the regular expression](https://regex101.com/r/AyAdgJ/2) [Test the regular expression](https://regex101.com/r/AyAdgJ/2)
**[⬆ back to top](#table-of-contents)**
## Contribution ## Contribution