// Quantifiers in Regex
. -> any one character.
* -> zero or more
+ -> one or more
? -> zero or one
 
// javascript search is case sensitive by default.
// Regex - modifiers or flag.
i - case insensitive
g - global match, does not stop after first occurance.
m - multiline search.
s - allow (.) to match new line character.
u - switches on unicode pattern matching.
y - switches on sticky mode.


Quantifiers in Regex
. -> any one character.

-> zero or more
-> one or more ? -> zero or one
javascript search is case sensitive by default.
Regex – modifiers or flag.
i – case insensitive
g – global match, does not stop after first occurance.
m – multiline search.
s – allow (.) to match new line character.
u – switches on unicode pattern matching.
y – switches on sticky mode.