Regular Expressions 101

Pro

1st Alternative@\w+

@the literal @ (64₁₀ / 100₈ / 40₁₆)

\w+a Unicode word character, repeated at least once

2nd Alternative[a-z_A-Z]+(?=\=)

Character Class[a-z_A-Z]+

+matches at least one character from the set below:

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

_the literal _ (95₁₀ / 137₈ / 5F₁₆)

A-Zone character from A (65₁₀) to Z (90₁₀) (case sensitive)

Positive Lookahead(?=\=)

\=the literal = (61₁₀ / 75₈ / 3D₁₆)

3rd Alternative(?<=\=)\w+(?# =后面的变量或者数字)

Positive Lookbehind(?<=\=)

\=the literal = (61₁₀ / 75₈ / 3D₁₆)

\w+a Unicode word character, repeated at least once

Comment: =后面的变量或者数字

4th Alternative(?<=\=)\'.+\'

Positive Lookbehind(?<=\=)

\=the literal = (61₁₀ / 75₈ / 3D₁₆)

\'the literal ' (39₁₀ / 47₈ / 27₁₆)

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

\'the literal ' (39₁₀ / 47₈ / 27₁₆)

5th Alternative(?<=\=)\".+\"(?# =后面的字符串)

Positive Lookbehind(?<=\=)

\=the literal = (61₁₀ / 75₈ / 3D₁₆)

\"the literal " (34₁₀ / 42₈ / 22₁₆)

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

\"the literal " (34₁₀ / 42₈ / 22₁₆)

Comment: =后面的字符串

6th Alternative(?<=\=)\[\S+\](?#数组)

Positive Lookbehind(?<=\=)

\=the literal = (61₁₀ / 75₈ / 3D₁₆)

\[the literal [ (91₁₀ / 133₈ / 5B₁₆)

\S+any character that is not Unicode whitespace, repeated at least once

\]the literal ] (93₁₀ / 135₈ / 5D₁₆)

Comment: 数组

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

@\w+|[a-z_A-Z]+(?=\=)|(?<=\=)\w+(?# =后面的变量或者数字)|(?<=\=)\'.+\'|(?<=\=)\".+\"(?# =后面的字符串)|(?<=\=)\[\S+\](?#数组)

@asd aasdbadkjoiAJF=1123 b=abcABC_ANV c='abc_ABC ABC123' d="abc_ABC ABC123"
@bg a=[1,20,30,40]  e=[x,y,z,w]

@asd aasdbadkjoiAJF=1123 b=abcABC_ANV c='abc_ABC ABC123' d="abc_ABC ABC123"
@bg a=[1,20,30,40]  e=[x,y,z,w]