RegExp.RegExpPattern
Defined in regexp@1.1.1
Character class and Pattern parser. This is internal module of RegExp.
Values
namespace RegExp.RegExpPattern::CharClass
add
Type: Std::U8 -> RegExp.RegExpPattern::CharClass -> RegExp.RegExpPattern::CharClass
Adds a character to the character class.
cls_digit
Type: RegExp.RegExpPattern::CharClass
A character class of \d. (digits)
cls_dot
Type: RegExp.RegExpPattern::CharClass
A character class of .. (any character except newlines)
cls_non_digit
Type: RegExp.RegExpPattern::CharClass
A character class of \D. (non-digits)
cls_non_whitespace
Type: RegExp.RegExpPattern::CharClass
A character class of \S. (non-whitespaces)
cls_non_word_char
Type: RegExp.RegExpPattern::CharClass
A character class of \W. (ie. [^A-Za-z0-9_])
cls_whitespace
Type: RegExp.RegExpPattern::CharClass
A character class of \s. (whitespaces)
cls_word_char
Type: RegExp.RegExpPattern::CharClass
A character class of \w. (ie. [A-Za-z0-9_])
consists_of
Type: Std::String -> RegExp.RegExpPattern::CharClass
Creates a character class whose members are characters in the specified string.
contains
Type: Std::U8 -> RegExp.RegExpPattern::CharClass -> Std::Bool
Returns true if the character is a member of the class.
empty
Type: RegExp.RegExpPattern::CharClass
An empty character class.
make
Type: Std::String -> (Std::U8 -> Std::Bool) -> RegExp.RegExpPattern::CharClass
Creates a character class from a label and a member function.
negate
Type: RegExp.RegExpPattern::CharClass -> RegExp.RegExpPattern::CharClass
Negate the member function of a character class.
range
Type: Std::U8 -> Std::U8 -> RegExp.RegExpPattern::CharClass
Creates a character class whose members are characters from start to end.
singleton
Type: Std::U8 -> RegExp.RegExpPattern::CharClass
Creates a character class whose only member is the specified character.
to_table
Type: RegExp.RegExpPattern::CharClass -> RegExp.RegExpPattern::CharClass
For optimization, creates a lookup table of same members, and returns a character class using that table.
union
Type: RegExp.RegExpPattern::CharClass -> RegExp.RegExpPattern::CharClass -> RegExp.RegExpPattern::CharClass
Creates union of two character classes.
namespace RegExp.RegExpPattern::Pattern
parse
Type: Std::String -> Std::Result Std::ErrMsg RegExp.RegExpPattern::Pattern
Parses a pattern from specified string.
parse_pattern
Type: RegExp.SimpleParser::Parser RegExp.RegExpPattern::Pattern
Parses a pattern from the stream.
Types and aliases
namespace RegExp.RegExpPattern
CharClass
Defined as: type CharClass = unbox struct { ...fields... }
Type of a character class.
field label
Type: Std::String
A label that describes this class (for debugging only)
field f
Type: Std::U8 -> Std::Bool
A member function that judges whether a character is contained in this class or not
PAssertion
Defined as: type PAssertion = unbox union { ...variants... }
Type of an assertion for regular expressions, such as ^, $.
variant pa_begin
Type: ()
variant pa_end
Type: ()
Pattern
Defined as: type Pattern = box union { ...variants... }
Type of a parsed regular expression.
variant pclass
Type: RegExp.RegExpPattern::CharClass
Character class pattern, eg. a, [a-z], \d etc.
variant passert
Type: RegExp.RegExpPattern::PAssertion
Assertion pattern, eg. ^, $
variant psequence
Type: Std::Array RegExp.RegExpPattern::Pattern
Sequence of patterns, eg. XYZ
variant peither
Type: (RegExp.RegExpPattern::Pattern, RegExp.RegExpPattern::Pattern)
Either pattern, eg. X|Y
variant pquant
Type: (RegExp.RegExpPattern::Pattern, Std::I64, Std::I64)
Quantified pattern, eg. X?, X*, X+, X{n,m}
variant pgroup
Type: (Std::I64, RegExp.RegExpPattern::Pattern)
Grouped pattern, eg. (X)
Traits and aliases
Trait implementations
impl RegExp.RegExpPattern::CharClass : Std::ToString
Converts a character class to a string.
impl RegExp.RegExpPattern::PAssertion : Std::ToString
Converts an assertion to a string.
impl RegExp.RegExpPattern::Pattern : Std::ToString
Converts a pattern to a string.