Regular Expressions 101

Explanation

Pro

Group 1(~[0-9.% ]+.* )?

?repeats the group contents below at most once:

~the literal ~ (126₁₀ / 176₈ / 7E₁₆)

Character Class[0-9.% ]+

+matches at least one character from the set below:

0-9one character from 0 (48₁₀) to 9 (57₁₀)

.the literal . (46₁₀ / 56₈ / 2E₁₆)

%the literal % (37₁₀ / 45₈ / 25₁₆)

the literal (32₁₀ / 40₈ / 20₁₆)

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

the literal (32₁₀ / 40₈ / 20₁₆)

price increasethe literal text price increase (case sensitive)

Group 2(.*~[0-9.%]+)?

?repeats the group contents below at most once:

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

~the literal ~ (126₁₀ / 176₈ / 7E₁₆)

Character Class[0-9.%]+

+matches at least one character from the set below:

0-9one character from 0 (48₁₀) to 9 (57₁₀)

.the literal . (46₁₀ / 56₈ / 2E₁₆)

%the literal % (37₁₀ / 45₈ / 25₁₆)

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

(~[0-9.% ]+.* )?price increase(.*~[0-9.%]+)?

New

After price increase of ~0.1% vs others in Year 2020:
After ~6% - 7% price increase vs others in Year 2019:

After price increase of ~0.1% vs others in Year 2020:
After ~6% - 7% price increase vs others in Year 2019: