Regular Expressions 101

Pro

Negative Lookbehind(?<!\S)

\Sany character that is not Unicode whitespace

Positive Lookahead(?=\S)

\Sany character that is not Unicode whitespace

p?optionally matches the literal p (112₁₀ / 160₈ / 70₁₆) (case sensitive)

Non-Capturing Group(?:T[X0-4]?)?

?repeats the group contents below at most once:

Tthe literal T (84₁₀ / 124₈ / 54₁₆) (case sensitive)

Character Class[X0-4]?

?matches at most one character from the set below:

Xthe literal X (88₁₀ / 130₈ / 58₁₆) (case sensitive)

0-4one character from 0 (48₁₀) to 4 (52₁₀)

\s?optionally matches a Unicode whitespace character

Non-Capturing Group(?:V[X0-2])?

?repeats the group contents below at most once:

Vthe literal V (86₁₀ / 126₈ / 56₁₆) (case sensitive)

Character Class[X0-2]

Xthe literal X (88₁₀ / 130₈ / 58₁₆) (case sensitive)

0-2one character from 0 (48₁₀) to 2 (50₁₀)

\s?optionally matches a Unicode whitespace character

Non-Capturing Group(?:N[X0-3])?

?repeats the group contents below at most once:

Nthe literal N (78₁₀ / 116₈ / 4E₁₆) (case sensitive)

Character Class[X0-3]

Xthe literal X (88₁₀ / 130₈ / 58₁₆) (case sensitive)

0-3one character from 0 (48₁₀) to 3 (51₁₀)

Negative Lookahead(?!\S)

\Sany character that is not Unicode whitespace

Positive Lookbehind(?<=\S)

\Sany character that is not Unicode whitespace

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

(?<!\S)(?=\S)p?(?:T[X0-4]?)?\s?(?:V[X0-2])?\s?(?:N[X0-3])?(?!\S)(?<=\S)

New

 


T1 VX N1 G1
T1 VX
VX N1
T1 N1

T1VX N1
T1VX
VXN1
T1N1

T1
 VX
 N1

 


T1 VX N1 G1
T1 VX
VX N1
T1 N1

T1VX N1
T1VX
VXN1
T1N1

T1
 VX
 N1