Regular Expressions 101

Pro

Group 1([a-z]+)

Character Class[a-z]+

+matches at least one character from the set below:

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

the literal (32₁₀ / 40₈ / 20₁₆)

Group 2(inc|dec)

1st Alternativeinc

incthe literal text inc (case sensitive)

2nd Alternativedec

decthe literal text dec (case sensitive)

the literal (32₁₀ / 40₈ / 20₁₆)

Group 3(-?\d+)

-?optionally matches the literal - (45₁₀ / 55₈ / 2D₁₆)

\d+a Unicode decimal digit, repeated at least once

if the literal text if (case sensitive)

Group 4([a-z]+)

Character Class[a-z]+

+matches at least one character from the set below:

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

the literal (32₁₀ / 40₈ / 20₁₆)

Group 5(.+)

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

the literal (32₁₀ / 40₈ / 20₁₆)

Group 6(-?\d+)

-?optionally matches the literal - (45₁₀ / 55₈ / 2D₁₆)

\d+a Unicode decimal digit, repeated at least once

Global pattern flags

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

Detailed match information will be displayed here automatically.

25 tokens

([a-z]+) (inc|dec) (-?\d+) if ([a-z]+) (.+) (-?\d+)

New

b inc 5 if a > 1
a inc 1 if b < 5
c dec -10 if a >= 1
c inc -20 if c == 10