Regular Expressions 101

^start of line

Group s1(?<s1>\d)

\da digit

Group n(?<n>[^~]*)

Negated Character Class[^~]*

*matches any number of characters outside the set below:

~the literal ~ (126₁₀ / 176₈ / 7E₁₆)

Group 3(~(?<a1>\d*)?(~(?<s2>\d)~(?<a2>.+))?)?

?repeats the group contents below at most once:

~the literal ~ (126₁₀ / 176₈ / 7E₁₆)

Group a1(?<a1>\d*)?

?repeats the group contents below at most once:

\d*a digit, repeated any number of times

Group 5(~(?<s2>\d)~(?<a2>.+))?

?repeats the group contents below at most once:

~the literal ~ (126₁₀ / 176₈ / 7E₁₆)

Group s2(?<s2>\d)

\da digit

~the literal ~ (126₁₀ / 176₈ / 7E₁₆)

Group a2(?<a2>.+)

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

$end of line

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

^(?<s1>\d)(?<n>[^~]*)(~(?<a1>\d*)?(~(?<s2>\d)~(?<a2>.+))?)?$

New

142у~72~3~Г7
0~~1~1
542У~~1~2
142~1
142