Regex Tester

Regex Tester

~r/
/

For example: \A[a-z0-9-]+\z

U f i m s u x

Function

Which Regex function to run

Result 

            result = ""

Visualization 


        

      


    

    

      

        

      

      

      

  
        

          

            
[abc]

            
A single character of: a, b, or c

          

          

            
[^abc]

            
Any single character except: a, b, or c

          

          

            
[a-z]

            
Any single character in the range a-z

          

          

            
[a-zA-Z]

            
Any single character in the range a-z or A-Z

          

          

            
^

            
Start of line

          

          

            
$

            
End of line

          

          

            
\A

            
Start of string

          

          

            
\z

            
End of string

          

          

            
.

            
Any single character

          

          

            
\s

            
Any whitespace character

          

          

            
\S

            
Any non-whitespace character

          

          

            
\d

            
Any digit

          

          

            
\D

            
Any non-digit

          

          

            
\w

            
Any word character (letter, number, underscore)

          

          

            
\W

            
Any non-word character

          

          

            
\b

            
Any word boundary

          

          

            
(...)

            
Capture everything enclosed

          

          

            
(a|b)

            
a or b

          

          

            
a?

            
Zero or one of a

          

          

            
a*

            
Zero or more of a

          

          

            
a+

            
One or more of a

          

          

            
a{3}

            
Exactly 3 of a

          

          

            
a{3,}

            
3 or more of a

          

          

            
a{3,6}

            
Between 3 and 6 of a