Regular Expressions 101

Pro

1st Alternative^\d*\s*[!<>=](?>\=)?\s*\d+$

^start of line

\d*a digit, repeated any number of times

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

Character Class[!<>=]

!the literal ! (33₁₀ / 41₈ / 21₁₆)

<the literal < (60₁₀ / 74₈ / 3C₁₆)

>the literal > (62₁₀ / 76₈ / 3E₁₆)

=the literal = (61₁₀ / 75₈ / 3D₁₆)

Atomic Group(?>\=)?

?repeats the group contents below at most once:

\=the literal = (61₁₀ / 75₈ / 3D₁₆)

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

\d+a digit, repeated at least once

$end of line

2nd Alternative^\d*\s*<>\d+

^start of line

\d*a digit, repeated any number of times

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

<>the literal text <>

\d+a digit, repeated at least once

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.

27 tokens

^\d*\s*[!<>=](?>\=)?\s*\d+$|^\d*\s*<>\d+

New

>100
<100
>=100
<=100
=100
!=100
==100
> 100
> 100
!= 100
== 100
100
===100
<<100
=<100
<>100
100 != 100
100 == 100
100 < 99
100 > 99

>100
<100
>=100
<=100
=100
!=100
==100
> 100
> 100
!= 100
== 100
100
===100
<<100
=<100
<>100
100 != 100
100 == 100
100 < 99
100 > 99