what is * and + in regex ?
what is the difference between ?:, ?! and ?= in regex?
What is the difference between ^ and \A , $ and \Z in regex?
What's the difference between () and [] in a regex?
What is the difference between "a{1}" and "a" in regex? => almost no
Differences between`[.]` vs `.` in regex
'.' is a wildcard : means any character
[.] means specifically character '.'
•.* literally means "Match zero or more of any character", wherein the . acts as a wildcard.
•[.]* literally means "Match zero or more dot . characters", wherein the . enclosed in a character class [] is matched literally.
How to use ? and ?: and : in REGEX
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