Boost C++ Libraries

...one of the most highly regarded and expertly designed C++ library projects in the world. Herb Sutter and Andrei Alexandrescu, C++ Coding Standards

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Character classes that are supported by Unicode Regular Expressions

The following character classes are only supported by Unicode Regular Expressions: that is those that use the u32regex type. The names used are the same as those from Chapter 4 of the Unicode standard.

Short Name

Long Name

ASCII

Any

Assigned

C*

Other

Cc

Control

Cf

Format

Cn

Not Assigned

Co

Private Use

Cs

Surrogate

L*

Letter

Ll

Lowercase Letter

Lm

Modifier Letter

Lo

Other Letter

Lt

Titlecase

Lu

Uppercase Letter

M*

Mark

Mc

Spacing Combining Mark

Me

Enclosing Mark

Mn

Non-Spacing Mark

N*

Number

Nd

Decimal Digit Number

Nl

Letter Number

No

Other Number

P*

Punctuation

Pc

Connector Punctuation

Pd

Dash Punctuation

Pe

Close Punctuation

Pf

Final Punctuation

Pi

Initial Punctuation

Po

Other Punctuation

Ps

Open Punctuation

S*

Symbol

Sc

Currency Symbol

Sk

Modifier Symbol

Sm

Math Symbol

So

Other Symbol

Z*

Separator

Zl

Line Separator

Zp

Paragraph Separator

Zs

Space Separator


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