Regular Expressions 101

Pro

^start of line

i=the literal text i= (case sensitive)

\d+a digit, repeated at least once

Non-Capturing Group(?:&s\d+=\d+(?=&|$))+

+repeats the group contents below at least once:

&sthe literal text &s (case sensitive)

\d+a digit, repeated at least once

=the literal = (61₁₀ / 75₈ / 3D₁₆)

\d+a digit, repeated at least once

Positive Lookahead(?=&|$)

1st Alternative&

&the literal & (38₁₀ / 46₈ / 26₁₆)

2nd Alternative$

$end of line

Global pattern flags

m modifier: multiline. Causes ^ and $ to match the start and end of each line, not only the start and end of the string

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

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25 tokens

^i=\d+(?:&s\d+=\d+(?=&|$))+$

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