Regular Expressions 101

^start of line

Positive Lookahead(?=.*\pL)

.*any character (except for line terminators), repeated any number of times

\pLany Unicode letter

Character Class[\pL\pN]+

+matches at least one character from the set below:

\pLany Unicode letter

\pNa decimal digit, letterlike number, or other numeric character

Non-Capturing Group(?:[ -]+[\pL\pN]+)*

*repeats the group contents below any number of times:

Character Class[ -]+

+matches at least one character from the set below:

the literal (32₁₀ / 40₈ / 20₁₆)

-the literal - (45₁₀ / 55₈ / 2D₁₆)

Character Class[\pL\pN]+

+matches at least one character from the set below:

\pLany Unicode letter

\pNa decimal digit, letterlike number, or other numeric character

$end of line

Global pattern flags

g modifier: global. Finds all matches instead of stopping after the first

m modifier: multiline. Causes ^ and $ to match the start and end of each line, not only the start and end of the string

Detailed match information will be displayed here automatically.

25 tokens

Regular Expression

^(?=.*\pL)[\pL\pN]+(?:[ -]+[\pL\pN]+)*$

New

Street
Some-Street
Street 
 Street
Street-
-Street
1 st Street
Street 5
111
A
9

Street
Some-Street
Street 
 Street
Street-
-Street
1 st Street
Street 5
111
A
9