Regular Expressions 101

Explanation
Pro

1st Alternative\d*((\s)?(m²|m|M)) de bureaux?

\d*a Unicode decimal digit, repeated any number of times

Group 1((\s)?(m²|m|M))

Group 2(\s)?

?repeats the group contents below at most once:

\sa Unicode whitespace character

Group 3(m²|m|M)

1st Alternativem²

m²the literal text m² (case sensitive)

2nd Alternativem

mthe literal m (109₁₀ / 155₈ / 6D₁₆) (case sensitive)

3rd AlternativeM

Mthe literal M (77₁₀ / 115₈ / 4D₁₆) (case sensitive)

de bureauthe literal text de bureau (case sensitive)

x?optionally matches the literal x (120₁₀ / 170₈ / 78₁₆) (case sensitive)

2nd Alternativebureaux? d'une surface de \d*((\s)?(m²|m|M))

bureauthe literal text bureau (case sensitive)

x?optionally matches the literal x (120₁₀ / 170₈ / 78₁₆) (case sensitive)

d'une surface de the literal text d'une surface de (case sensitive)

\d*a Unicode decimal digit, repeated any number of times

Group 4((\s)?(m²|m|M))

Group 5(\s)?

?repeats the group contents below at most once:

\sa Unicode whitespace character

Group 6(m²|m|M)

1st Alternativem²

m²the literal text m² (case sensitive)

2nd Alternativem

mthe literal m (109₁₀ / 155₈ / 6D₁₆) (case sensitive)

3rd AlternativeM

Mthe literal M (77₁₀ / 115₈ / 4D₁₆) (case sensitive)

3rd Alternativebureaux? de \d*((\s)?(m²|m|M))

bureauthe literal text bureau (case sensitive)

x?optionally matches the literal x (120₁₀ / 170₈ / 78₁₆) (case sensitive)

de the literal text de (case sensitive)

\d*a Unicode decimal digit, repeated any number of times

Group 7((\s)?(m²|m|M))

Group 8(\s)?

?repeats the group contents below at most once:

\sa Unicode whitespace character

Group 9(m²|m|M)

1st Alternativem²

m²the literal text m² (case sensitive)

2nd Alternativem

mthe literal m (109₁₀ / 155₈ / 6D₁₆) (case sensitive)

3rd AlternativeM

Mthe literal M (77₁₀ / 115₈ / 4D₁₆) (case sensitive)

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

Unit Test Summary

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Quick Reference

25 tokens

Regular Expression

\d*((\s)?(m²|m|M)) de bureaux?|bureaux? d'une surface de \d*((\s)?(m²|m|M))|bureaux? de \d*((\s)?(m²|m|M))

Unit Tests

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