Regular Expressions 101

^start of line

data:the literal text data: (case sensitive)

Group type(?<type>[\w\/\-\.]+)?

?repeats the group contents below at most once:

Character Class[\w\/\-\.]+

+matches at least one character from the set below:

\wany word character

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

\-the literal - (45₁₀ / 55₈ / 2D₁₆)

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

Non-Capturing Group(?:;(?<encoding>\w+))?

?repeats the group contents below at most once:

;the literal ; (59₁₀ / 73₈ / 3B₁₆)

Group encoding(?<encoding>\w+)

\w+any word character, repeated at least once

,the literal , (44₁₀ / 54₈ / 2C₁₆)

Group data(?<data>.*)

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

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

^data:(?<type>[\w\/\-\.]+)?(?:;(?<encoding>\w+))?,(?<data>.*)

New

data:[<mediatype>][;base64],<data>
data:,Hello%2C%20World%21
data:text/plain;base64,SGVsbG8sIFdvcmxkIQ==
data:text/html,%3Ch1%3EHello%2C%20World%21%3C%2Fh1%3E
data:text/html,<script>alert('hi');</script>
data:image/png;base64,iVBORw0KGgoAA