Regular Expressions 101

^start of line

\d{1,4}a digit, repeated between 1 and 4 times

\s+any whitespace character, repeated at least once

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

Character Class[A-Za-z]

A-Zone character from A (65₁₀) to Z (90₁₀) (case sensitive)

a-zone character from a (97₁₀) to z (122₁₀) (case sensitive)

\da digit

Character Class[A-Za-z]

A-Zone character from A (65₁₀) to Z (90₁₀) (case sensitive)

a-zone character from a (97₁₀) to z (122₁₀) (case sensitive)

\s*any whitespace character, repeated any number of times

\da digit

Character Class[A-Za-z]

A-Zone character from A (65₁₀) to Z (90₁₀) (case sensitive)

a-zone character from a (97₁₀) to z (122₁₀) (case sensitive)

\da digit

$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.

Search reference

Regular Expression

^\d{1,4}\s+.*[A-Za-z]\d[A-Za-z]\s*\d[A-Za-z]\d$

New

29 Younge Street M5E 1B2
123 Fake St. Q1W2E3
456 Nowhere St
1234567 Some Other St. A1B 2C3