Regular Expressions 101

.+any character (except for line terminators), repeated at least once

Group 1([chds])

Character Class[chds]

cthe literal c (99₁₀ / 143₈ / 63₁₆) (case sensitive)

hthe literal h (104₁₀ / 150₈ / 68₁₆) (case sensitive)

dthe literal d (100₁₀ / 144₈ / 64₁₆) (case sensitive)

sthe literal s (115₁₀ / 163₈ / 73₁₆) (case sensitive)

.+any character (except for line terminators), repeated at least once

\1the text saved by group 1

.+any character (except for line terminators), repeated at least once

\1the text saved by group 1

.+any character (except for line terminators), repeated at least once

\1the text saved by group 1

.+any character (except for line terminators), repeated at least once

\1the text saved by group 1

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

.+([chds]).+\1.+\1.+\1.+\1

10hJh7hAh2h
10cJcQcKcAc
10cJcQcKhAh // No Match
2d3d4d5d6d