Regular Expressions 101

Pro

\ba Unicode word boundary

Non-Capturing Group(?:[sS]trony\s+[lL]okalne(?:\s+GW\s+-)?|GW)

1st Alternative[sS]trony\s+[lL]okalne(?:\s+GW\s+-)?

Character Class[sS]

sthe literal s (115₁₀ / 163₈ / 73₁₆) (case sensitive)

Sthe literal S (83₁₀ / 123₈ / 53₁₆) (case sensitive)

tronythe literal text trony (case sensitive)

\s+any whitespace character, repeated at least once

Character Class[lL]

lthe literal l (108₁₀ / 154₈ / 6C₁₆) (case sensitive)

Lthe literal L (76₁₀ / 114₈ / 4C₁₆) (case sensitive)

okalnethe literal text okalne (case sensitive)

Non-Capturing Group(?:\s+GW\s+-)?

?repeats the group contents below at most once:

\s+any whitespace character, repeated at least once

GWthe literal text GW (case sensitive)

\s+any whitespace character, repeated at least once

-the literal - (45₁₀ / 55₈ / 2D₁₆)

2nd AlternativeGW

GWthe literal text GW (case sensitive)

\s+any whitespace character, repeated at least once

Group 1(.*?)

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

\s+any whitespace character, repeated at least once

nrthe literal text nr (case sensitive)

\ba Unicode word boundary

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

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27 tokens

\b(?:[sS]trony\s+[lL]okalne(?:\s+GW\s+-)?|GW)\s+(.*?)\s+nr\b

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