PCRE - Perl Compatible Regular Expressions
PCRE - Perl Compatible Regular Expressions
The PCRE library is a set of functions that implement regular
expression pattern matching using the same syntax and semantics as
Perl&5. PCRE has its own native API, as well as a set of
wrapper functions that correspond to the POSIX regular expression
API. The PCRE library is free, even for building proprietary
PCRE was originally written for the
but is now used by many high-profile open source projects, including
PCRE has also found its way into some well known commercial products, like
Some other interesting projects using PCRE include
There are two major versions of the PCRE library. The newest
version, PCRE2, was
and is at version 10.22.
The original, very widely deployed PCRE library, originally
released in 1997, is at version 8.40, and the API and feature set are
stable—future releases will be for bugfixes only. All new
future features will be to PCRE2, not the original PCRE 8.x
You can download the current releases of the PCRE and PCRE2
libraries from their official home via anonymous FTP, or via HTTPS:
You can also download via HTTPS from the mirror at
You can check out the PCRE2 source code via Subversion (or
svn co svn://vcs.exim.org/pcre2/code/trunk pcre
Or, to check out the older PCRE source code can via Subversion (or
svn co svn://vcs.exim.org/pcre/code/trunk pcre
Contributed Ports
A precompiled Windows port of PCRE, which may be a few versions behind,
is available courtesy the
If you just need the command-line PCRE or PCRE2 tools on Windows,
more up to date precompiled binary versions are available here:
A PCRE port for z/OS, a mainframe operating system which uses
EBCDIC as its default character encoding, can be found here:
Documentation
You can read
For Perl&5 regular expression syntax, read the
The distribution itself also contains a
and the BSD
If you are upgrading, read the
You can also browse the
Details on PCRE, and, in particular, comparisons to Perl's regular
expression semantics, can also be found in the community authored
You can find a curated summary of changes with each PCRE release,
copies of documentation from older releases, and other useful
information from the third party authored
To report a problem with the PCRE library, or to make a feature
request, please
. You may want to
first. Please don't use the
SourceForge bug tracking system, as it is not normally
monitored.
There is a mailing list for active PCRE developers at
, and you can
The PCRE library was written by Philip Hazel:
E-mail local part:&ph10
E-mail domain:&cam.ac.uk
Please note that neither this website nor the SourceForge
download repositories are maintained by Philip. Please report
website or SourceForge PCRE project problems to
webmaster@pcre.orgFeature - definition of feature by The Free Dictionary /feature
feature Also found in: , , , , , , .Related to feature: ,
(fē′chər)n.1. a.
Any of the distinct parts of the face, as the eyes, nose, or mouth.b.
often features The overall appearance of the face or its parts.2.
A prominent or distinctive part, quality, or characteristic: a feature of one' a feature of the landscape.3.
Linguistics a.
A property of linguistic units or forms: Nasality is a phonological feature.b.
In generative linguistics, any of various abstract entities that specify or combine to specify phonological, morphological, semantic, and syntactic properties of linguistic forms and that act as the targets of linguistic rules and operations.4. a.
The main film presentation at a theater.b.
A long, narrative movie, typically lasting more than one hour.5.
A special attraction at an entertainment.6.
A prominent or special article, story, or department in a newspaper or periodical.7.
An item advertised or offered as particularly attractive or as an inducement: a washing machine with many features.8.
Archaic a.
O form or shape.b.
Physical beauty.tr.v. fea·tured, fea·tur·ing, fea·tures 1.
display, publicize, or make prominent.2.
To have or include as a prominent part or characteristic: The play featured two well-known actors.3.
To depict or outline the features of.4.
Informal T imagine: Can you feature her in that hat?[Middle English feture, from Old French faiture, from Latin factūra, a working or making, from factus, past participle of facere, to make, do; see
dhē- in the Appendix of Indo-European roots.]feature ('fi:t??) n1. any one of the parts of the face, such as the nose, chin, or mouth2. a prominent or distinctive part or aspect, as of a landscape, building, book, etc3. the principal film in a programme at a cinema4.
(Journalism & Publishing) an item or article appearing regularly in a newspaper, magazine, etc: a gardening feature. 5.
(Journalism & Publishing) Also called: feature story a prominent story in a newspaper, etc: a feature on prison reform. 6.
(Film) a programme given special prominence on radio or television as indicated by attendant publicity7.
(Marketing) an article offered for sale as a special attraction, as in a large retail establishment8. archaic general form or make-up9.
(Linguistics) linguistics a quality of a linguistic unit at some level of description: grammatical feature; semantic feature. vb10.
(tr) to have as a feature or make a feature of11.
(Film) to give prominence to (an actor, famous event, etc) in a film or (of an actor, etc) to have prominence in a film12.
(tr) informal US consider: I can't feature that happening. [C14: from Anglo-French feture, from Latin factūra a making, from facere to make]fea•ture
(ˈfi tʃər)
-tured, -tur•ing,
a prominent or conspicuous part or characteristic:
The best feature of the house is the sun porch.
something offered as a special or main attraction.
Also called fea′ture film′. the main motion picture in a movie program.
any part of the face, as the nose, chin, or eyes.
features, countenance.
the form or cast of the face:
delicate of feature.
a column, cartoon, etc., appearing regularly in a newspaper or magazine.
give prominence to.
to have or present (a performer) in a lead role or a prominent supporting role.
to be a feature or distinctive mark of.
to delineate the mai depict.
Informal. fancy.
Chiefly Dial. to
to play a major part.
being or of featured:
the feature attraction at the fair.
[;1400; Middle English feture & Anglo-French, Middle French faiture & Latin factūra making. See ]
fea′ture•less, adj.
refer to a distinctive trait of an individual or of a class.
suggests an outstanding or marked property that attracts attention: A large art exhibit was a feature of the convention.
means a distinguishing mark or quality always associated in one's mind with a particular person or thing: A fine sense of humor is one of his characteristics.
means a distinctive and often unusual property exclusive to one individual, group, or thing: A blue-black tongue is a peculiarity of the chow chow. featureIn cartography, any object or configuration of ground or water represented on the face of the map or chart.featurePast participle: featuredGerund: featuringImperativePresentPreteritePresent ContinuousPresent PerfectPast ContinuousPast PerfectFutureFuture PerfectFuture ContinuousPresent Perfect ContinuousFuture Perfect ContinuousPast Perfect ContinuousConditionalPast ConditionalImperativefeaturefeaturePresentI featureyou featurehe/she/it featureswe featureyou featurethey featurePreteriteI featuredyou featuredhe/she/it featuredwe featuredyou featuredthey featuredPresent ContinuousI am featuringyou are featuringhe/she/it is featuringwe are featuringyou are featuringthey are featuringPresent PerfectI have featuredyou have featuredhe/she/it has featuredwe have featuredyou have featuredthey have featuredPast ContinuousI was featuringyou were featuringhe/she/it was featuringwe were featuringyou were featuringthey were featuringPast PerfectI had featuredyou had featuredhe/she/it had featuredwe had featuredyou had featuredthey had featuredFutureI will featureyou will featurehe/she/it will featurewe will featureyou will featurethey will featureFuture PerfectI will have featuredyou will have featuredhe/she/it will have featuredwe will have featuredyou will have featuredthey will have featuredFuture ContinuousI will be featuringyou will be featuringhe/she/it will be featuringwe will be featuringyou will be featuringthey will be featuringPresent Perfect ContinuousI have been featuringyou have been featuringhe/she/it has been featuringwe have been featuringyou have been featuringthey have been featuringFuture Perfect ContinuousI will have been featuringyou will have been featuringhe/she/it will have been featuringwe will have been featuringyou will have been featuringthey will have been featuringPast Perfect ContinuousI had been featuringyou had been featuringhe/she/it had been featuringwe had been featuringyou had been featuringthey had been featuringConditionalI would featureyou would featurehe/she/it would featurewe would featureyou would featurethey would featurePast ConditionalI would have featuredyou would have featuredhe/she/it would have featuredwe would have featuredyou would have featuredthey would have featured
Switch to Noun1.feature - a prominent attribute or "the map showed roads and other features"; "generosity is one of his best characteristics", ,
- those characteristics (both anatomical and psychological) that are strongly associated with one sex relative to the other, ,
- a construct whereby objects or individuals
"self-confidence is not an endearing property" - a feature (quantity or property or function) that remains unchanged when a particular transformation is applied to it,
- a distinct feature or
"he studied every facet of the question", , , ,
- a characteristic that provides p "flowers are an attractor for bees" - any feature that is regarded as a sign of status (a particular power or quality or rank); "wearing a tie was regarded as a badge of respectability",
- the central or mo "education was the centerpiece of the Democratic Party's political platform" - a feature (or the order or arrangement of features) of anything having "the contours of the melody"; "it defines a major contour of this administration",
- an something in which somethi "a center of manufacturing excellence"; "the use of herbs is one of the excellencies of French cuisine" - "he enjoyed the solemn externals of religion", ,
- an odd or unusual characteristic - feature of an artifact that is added to insure a user's safety2.feature - the characteristic parts of a person's face: eyes and nos "an expression of pleasure crossed his features"; "his lineaments were very regular" - any part of an organism such as an organ or extremity,
- the protruding part of the lower jaw,
- the front of the human head from the forehead to the "he washed his face"; "I wish I had seen the look on his face when he got the news",
- the part of the face above the eyes - the flat area on either
"the veins in his temple throbbed" - either side of the face below the eyes - a fullness and looseness of the flesh of the lower cheek and jaw (characteristic of aging) - the bones of the skull that frame the mouth
the bones that hold the teeth3.feature - the principal (full-length) film in a progra "the feature tonight is `Casablanca'", , , , , , , , ,
- a form of entertainment that enacts a story by sound and a sequence of images giving the illusion of "they went to a movie every Saturday night"; "the film was shot on location",
- a film about life in the western United States during the period of exploration and development4.feature - a special or prominent article in a n "they ran a feature on retirement planning",
- a daily or weekly publicat contains news and article "he read his newspaper at breakfast" - nonfictional prose forming an independent part of a publication,
- a periodic publication containing pictures and stories and articles of interest to those who purchase i "it takes several years before a magazine starts to break even or make money"5.feature - (linguistics) a distinctive characteristic of a linguistic unit that serves to distinguish it from other units of the same kind, ,
- a construct whereby objects or individuals
"self-confidence is not an endearing property" - the scientific study of language6.feature - an article of merchandise that is displayed or advertised more than other articles, ,
- a featured article of merchandise sold at a loss in order to draw customers, ,
- commodit "good business depends on having good merchandise"; "that store offers a variety of products"Verb1.feature - "This restaurant features the most famous chefs in France" - have or s "wear one's hair in a certain way",
- have on one' "He wore a red ribbon"; "bear a scar" -
"This rifle carries for 3,000 feet", ,
- have or possess, either in a concrete
"She has $1,000 in the bank"; "He has got two beautiful daughters"; "She holds a Master's degree from Harvard", ,
- have owners "He owns three houses in Florida"; "How many cars does she have?" - be equipped with (a mast or sail); "This boat can only carry a small sail" - "bear a resemblance"; "bear a signature" - have as a by- "The big cities gave off so many wonderful American qualities",
- have or po "she unites charm with a good business sense" - "The movie stars Dustin Hoffman as an autistic man", ,
- wear or display in an ostentat "she was sporting a new hat" - have as an attribute, knowledge, "he possesses great knowledge about the Middle East",
- have as "This decision involves many changes" - have or be thickly covered with or "bristling leaves", ,
- be in a state o "The room abounded with screaming children"; "The garden bristled with toddlers" - "His eyes brimmed with tears", ,
- have on one' "She always takes an umbrella"; "I always carry money"; "She packs a gun when she goes into the mountains",
- have or contain a cer "The passage reads as follows"; "What does the law say?" - have in one' wear an expression of one's att "He always wears a smile" - have as an inherent or characteristic feature or h "This new washer carries a two year guarantee"; "The loan carries a high interest rate"; "this undertaking carries many dangers"; "She carries her mother's genes"; "These bonds carry warrants"; "The restaurant carries an unusual name"2.feature - wear or display in an ostentat "she was sporting a new hat", ,
- "This restaurant features the most famous chefs in France"featurenoun1. , , , , , , , , , , ,
The gardens are a special feature of this property.2. , , , , , ,
a special feature on breast cancer research3. , , , , , , , ,
(informal), ,
the most striking feature of the whole gardenplural noun1. , , ,
She arranged her features in a bland expression.verb1. , , , , , , , , , give prominence to, give the full works (slang) This event features a stunning catwalk show.2. , , , ,
She featured in a Hollywood film.featurenoun1. The front surface of the head.Often used in plural:, , , .Informal:
, , , .2. A distinctive element:, , , , , , , , .3. A prominent article in a periodical:.Chiefly British:
.verb1. To accord emphasis to:, , , , , , , , , .2. Informal.
To form mental images of:, , , , , , , , , , , .
?????? ?????????? ?????????? ?????????? ?????? ??? ?????????????? ???????rysuvést v hlavní rolivelk? ?lánekznakhlavní filmtraekansigtstraekartikelfeaturehave i hovedrollepiirreodlikaarcvonásnagyfilmszerepeltetszínes riportvonása?alkvikmyndinandlitsfallsérkennis?na, hafa , flaggauppslá greinaflokkur顔立ち??meninis filmasvaidinti pagrindin? vaidmen?ypatyb?attēlotiezīmeliels rakstsmākslas filmamākslas filmas-funcionalidadecelove?ern?hlavn? programve?k? ?lánokpotezareporta?azna?ilnostegenskap????????????yüz hatt?as?l filmba? rolde oynatmak??c tr?ngfeature [ˈfiːtʃəʳ]A. N1. [of face] →
mfeatures →
fpl2. [of countryside, building] →
f3. (Comm, Tech) →
m4. (Theat) →
m (Cine) →
f5. (Press) →
m de a regular feature → una
6. (Ling) (also distinctive feature) →
m B. VT1. [+ actor, news] → ; [+ event] → , ; (in paper etc) → a film featuring Garbo as → una
de ...2. (= be equipped with) [machine] → estar
de, C. VI1. (gen) it featured prominently in →
en ...2. (Cine) → ,
(in en)D. CPD feature article N →
m de feature film N → (película f de) largometraje mfeature writer N →
mffeature [ˈfiːtʃər] n (= distinctive characteristic) →
fan important feature → une
to be a feature of sth (a regular part of) →
de qchPilgrimages are an essential feature of Hindu life → Les
. (= special or extra component) [product] →
m; [car] →
fsafety feature →
(= special function) [software] →
fsearch feature (COMPUTING) →
(in newspaper or magazine) (= special article) →
m (= regular column) →
fa special feature on sth → un
sur qch, un
sur qcha special feature on sb → un
sur qn feature article, feature editor, feature writer (also feature film) →
m feature-length vt (= include) [film] → avoir pour (s)The series featured top stars from cricket and rugby → Des
dans cette .This special event features a stunning catwalk show → Un
. vi → The story featured on the front pages → L'histoire
en première .it featured prominently in ... → cela a
sur ..., cela a
dans ... features npl [face] →
mplfeature article n →
m feature editor n → chroniqueur/euse m/ffeature film n →
mfeature-length [ˈfiːtʃərlɛŋθ] modif →
after nfeature n (facial) → (Gesichts) m; to have strong/delicate features → /
haben (= characteristic) →
nt, →
nt, →
nt; (of sb’s character) →
m; a feature of his style is … → sein
ist durch … ; a feature of this book is … → das
sich durch … aus; special feature →
f; new feature →
f; the main feature of the recession → das
(= focal point: of room, building etc) →
or herausragendes ; feature fireplace →
; to make a feature of something →
besonders ,
; the main feature of the new shopping mall → die Hauptattraktion des
; the old volcano, the dominant feature of the island, … → der die
… (Press) → (Sonder) m, →
nt; (Rad, TV) → (Dokumentar) m, →
nt (= film) →
m vt (Press) story, picture →
this film features an English actress → in diesem
mit; the album features their latest hit single →
ist auch ihre
Hitsingle; the room features a large fireplace → eine
vi (= occur) → ; the story featured on all today’s front pages → die
(Film) → (mit)feature: feature article n → Sonderbeitrag m, →
nt feature film n →
m feature-length adj film → mit Spielfilml?nge featureless adj → ohne
feature story n →
m, →
nt feature writer n → (in) m(f)feature [ˈfiːtʃəʳ]1. na. (gen) (Comm, Tech) → b. (of face) features npl →
fplc. (also feature film) →
m inv (principale), d. (Press) → ,
a regular feature in (newspapers) → un
ina (special) feature on sth/sb → un
su qc/qn2. vt (person) → avere come ; (event, news) → ,
a3. vi (Cine) → , , it featured prominently in ... (gen) → ha avuto
in...feature ('fi:t??)
a mark by whi a quality. The use of bright colours is one of the features of her painting. kenmerk, eienskap
?????? ?????????? ?????
особеност
característica
das Merkmal
kendetegn ,
tunnusjoon
ominaisuus
obilje?je, svojstvo
jellemvonás, sajátosság, jegy
bruo?as, ypatyb?
pazī iezīme
ciri khas ,
???? ????? ??? ???? ???????? ???? ????? ?????: ??????? ?????
característica
caracteristic?
собенность
zna?ilnost
karakteristika
s?rdrag, k?nnetecken
особлив?сть; властив?сть
??? ??? ?? ?????? ???
??c tr?ng 2.
one of the parts of one's face (eyes, nose etc). She has very regular features. gelaatstrekke
???????? ???????
черта на лице
der Gesichtszug
ansigtstraek
χαρακτηριστικ? προσ?που
kasvonpiirre
??? ???????
roman muka
andlitsfall
sejas vaibsti
bahagian muka
черты лица
ansiktsdrag
????????????
yüz hatt?
臉的一部分(如:眼、口、鼻等)
риси обличчя
???? ?? ???? ???
nét (m?t) 3.
a special article in a newspaper. `The Times' is doing a feature on holidays. artikel
????? ?????? ??? ??????
рубрика
velk? ?lánek
der Sonderartikel
ειδικ? αφι?ρωμα ,
eriartikkel
????? ????
erikoisartikkeli
poseban prilog
színes riport
uppslá greinaflokkur
servizio speciale
straipsnis
liels raksts (avīzē)
speciaal artikel
???????? ???
artigo/ ...de fundo?
articol (de ziar)
тематическая статья
ve?k? ?lánok
specialartikel, feature
???????????
сенсац?йна стаття
????? ?? ????? ??? ???? ???? ???? ???? ?????
bài ??c bi?t (trong m?t t? báo) 4.
the main film in a cinema programme etc. The feature begins at 7.30; (also adjective) a feature film. hooffilm, hoofprent
????? ?????
filme em cartaz
hlavní film
der Hauptfilm,
spillefilm
κ?ρια ταιν?α του προγρ?μματο?
p?hifilm, m?ngu-
kokoillan elokuva ;
????? ????????? ?????
cjelove?ernji (umjetni?ki) glavni film dvostrukog kino- cjelove?ernji, umjetni?ki
film utama
a?alkvikmyndin ; film a soggetto
(映画の) 主要作品
(???) ?? ??
meninis filmas
[] mā mākslas filmas-
filem utama
hoofdfilm ,
g?ówny film w programie
filme/longa metragem
film (de lung metraj)
художественный фильм
hlavn? celove?ern?
igrani film
igrani film
повнометражний ф?льм
???? ??? ?? ??? ?? ??? ????? ?? ??? ??????? ?? ??? ???? ?? ??? ??
ti?t m?c ch? ch?t; b? phim chính
verb to give or have a part (especially an important one). That film features the best of the British actresses. spog met, 'n belangrike rol speel, in die hoofrol hê
?????? ??????????? ??????? ????? ????????? ?????????
показвам в главна роля
apresentar
uvést v hlavní roli
have i hovedrolle ,
(pea)osa esitama, (pea)osas esinema
????? ????
????? ????, ?????? ????
glumiti, prikazivati (na filmu)
szerepeltet
menampilkan
s?na, hafa (til a? bera), flagga ;
～に主演させる
(kur) vaidinti pagrindin? vaidmen?
rādīt; attēlot
menampilkan
gi/ha en (hoved)rolle i en film
apresentar/integrarL
a prezenta/a avea ?n rolul principal
uvies? v hlavnej úlohe
predstavljati
predstaviti u glavnoj ulozi
visa [upp], presentera, bjuda p?
ba? rolde oynatmak
показувати
??? ??? ?? ????? ??? ??? ????? ?? ??? ????? ?? ??? ?? ??? ????
dành vai n?i b?t cho feature →
egenskap ????????????
??c tr?ng featuren. rasgo, característica.
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Meg had an extra row of little curlpapers across her forehead, Jo had copiously anointed her afflicted face with cold cream, Beth had taken Joanna to bed with her to atone for the approaching separation, and Amy had capped the climax by putting a colthespin on her nose to uplift the offending feature. They became his distinguishing feature, the source of his fame. asked Adele of her companion, whose countenance she had been watching with a little amused attention, arrested by the absorbed expression which seemed to have seized and fixed every feature into a statuesque repose. It was a feature peculiar to the colonial wars of North America, that the toils and dangers of the wilderness were to be encountered before the adverse hosts could meet. The delighted Dick, with conscious vanity beaming from every feature of his shining face, lightly waved the compliment aside with his handkerchief, as she continued, "But I am forgetting the message. There is one other feature, very essential to be noticed, but which, we greatly fear, may damage any picturesque and romantic impression which we have been willing to throw over our sketch of this respectable edifice. She had dark and abundant hair, so glossy that it threw off the s and a face which, besides being beautiful from regularity of feature and richness of complexion, had the impressiveness belonging to a marked brow and deep black eyes. We had gone over and over every feature of what I had seen. But the side ladder was not the only strange feature of the place, borrowed from the chaplain's former sea-farings. For you see no not one distinct feature no nose, eyes, ears, he has none, nothing but that one broad firmament of a forehead,
dumbly lowering with the doom of boats, and ships, and men. They make a great feature of showing strangers through the packing plants, for it is a good advertisement. He was short and slender, lithe and catlike in his motions, and had a peering, mousing expression about his keen black eyes, with which every feature of his face seemed sha his thin, long nose, ran out as if it was eager to bore into the nature
his sleek, thin, black hair was stuck eagerly forward, and all his motions and evolutions expressed a dry, cautious acuteness.
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