Regular Expression

Ref.Practice REGEX at https://regexone.com/

Python Regular Expression Quick Guide
^        Matches the beginning of a line
$        Matches the end of the line
.        Matches any character
\s       Matches whitespace
\S       Matches any non-whitespace character
*        Repeats a character zero or more times
*?       Repeats a character zero or more times
         (non-greedy)
+        Repeats a character one or more times
+?       Repeats a character one or more times
         (non-greedy)
[aeiou]  Matches a single character in the listed set
[^XYZ]   Matches a single character not in the listed set
[a-z0-9] The set of characters can include a range
(        Indicates where string extraction is to start
)        Indicates where string extraction is to end

Some of the Ex. 

Task	Text
Match	abc123xyz
Match	define “123”
Match	var g = 123;

 [a-z0-9\s=";]*