Regular Expressions 101

1st Alternative(?:(?:\+|-)?\d+(?:(?:,|\.)\d*)?)

Non-Capturing Group(?:(?:\+|-)?\d+(?:(?:,|\.)\d*)?)

Non-Capturing Group(?:\+|-)?

?repeats the group contents below at most once:

1st Alternative\+

\+the literal + (43₁₀ / 53₈ / 2B₁₆)

2nd Alternative-

-the literal - (45₁₀ / 55₈ / 2D₁₆)

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

Non-Capturing Group(?:(?:,|\.)\d*)?

?repeats the group contents below at most once:

Non-Capturing Group(?:,|\.)

1st Alternative,

,the literal , (44₁₀ / 54₈ / 2C₁₆)

2nd Alternative\.

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

\d*a Unicode decimal digit, repeated any number of times

2nd Alternative\w+

\w+a Unicode word character, 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

u modifier: unicode. Treats the pattern and subject as UTF-16

Detailed match information will be displayed here automatically.

Search reference

Regular Expression

(?:(?:\+|-)?\d+(?:(?:,|\.)\d*)?)|\w+

Hello, world ... 123 *** ^%&*()-72.5)^% %%: 123.00>
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