🧩Regex
📕 Notebooks
🚩 Meta Characters
🎎 Character Matches
🎀 Symbol
📃 Description
.
Single character
^
Start of a string
$
End of a string
[]
One of the set of characters within []
[a-z]
One of the range of characters
[^abc]
Not a, b or c
[ab]
a or b (a and b are strings)
()
Scoping for operators
(?:<pattern>)
\
Escape character
🎇 Character Symbols
🎀 Symbol
📃 Description
🤯 Equivalent
\b
Word boundary
\d
Any digit
[0-9]
\D
Any non-digit
[^0-9]
\s
Any whitespace
[ \t\n\r\f\v]
\S
Any non-whitespace
[^ \t\n\r\f\v]
\w
Alphanumeric character
[a-zA-Z0-9_]
\W
Non-alphanumeric character
[^a-zA-Z0-9_]
💫 Repetitions
🎀 Symbol
📃 Description
*
Zero or more occurrences
+
One or more occurrences
?
Zero or one occurrences
{n}
Exactly n repetitions
{n,}
At least n repetitions
{,n}
At most n repetitions
{m,n}
At least m and at most n repetitions
🧐 Useful Examples
🧩 Regex
📜 Description
^.*SOME_STRING.*\n
Finds all lines start with specific string
🔗 References
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