PHP - Manual: Unicode character classes
2025-07-09
Unicode character classes
| Sequence | Description |
|---|---|
| \p{C} | Other. |
| \p{Cc} | Other, control. |
| \p{Cf} | Other, format. |
| \p{Co} | Other, private use. |
| \p{Cs} | Other, surrogate. |
| \p{L} | Letter. |
| \p{LC} | Letter, cased. |
| \p{Ll} | Letter, lowercase. |
| \p{Lm} | Letter, modifier. |
| \p{Lo} | Letter, other. |
| \p{Lt} | Letter, titlecase. |
| \p{Lu} | Letter, uppercase. |
| \p{M} | Mark. |
| \p{Mc} | Mark, space combining. |
| \p{Me} | Mark, enclosing. |
| \p{Mn} | Mark, nonspacing. |
| \p{N} | Number. |
| \p{Nd} | Number, decimal digit. |
| \p{Nl} | Number, letter. |
| \p{No} | Number, other. |
| \p{P} | Punctuation. |
| \p{Pc} | Punctiation, connector. |
| \p{Pd} | Punctuation, dash. |
| \p{Pe} | Punctuation, close. |
| \p{Pf} | Punctuation, final quote. |
| \p{Pi} | Punctuation, initial quote. |
| \p{Po} | Punctuation, other. |
| \p{Ps} | Punctuation, open. |
| \p{S} | Symbol. |
| \p{Sc} | Symbol, currency. |
| \p{Sk} | Symbol, modifier. |
| \p{Sm} | Symbol, math. |
| \p{So} | Symbol, other. |
| \p{Z} | Separator. |
| \p{Zl} | Separator, line. |
| \p{Zp} | Separator, paragraph. |
| \p{Zs} | Separator, space. |
These character clasess are only available, if the option --enable-parle-utf32 was passed at the compilation time.
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官方地址：https://www.php.net/manual/en/parle.regex.unicodecharclass.php
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