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Самый лучший счетчик в РУнете
Работа /
Кузявые регулярные выражения.

Встречаются порою в процессе работы.

Regexp: / (\w+)\ s*=\s* ( (?:\’) (.*?) (?: (? <!\\\)) (?:\ ’)| (?:\ ") (.*?) (?: (? <!\\\)) (?:\ ")| (.*?)) (?:,|\ z)/ smi


Регулярное выражение, разбирающее строку вида «key=val» разделенную запятыми на составляющие.

Кузявость заключается в том, что value может быть заключено в кавычки или апострофы, и внутри этих кавычек может быть что угодно, запятые, кавычки другого типа или того же но прослэшенные. Область применения безгранична, от разбора параметров внутри тега на запчасти до разбора CSV (в этом случае нужно поменять разделитель). Мне пришлось его выдумывать при написании компонента SQLParser’a для разбора полей в UPDATE’е.


 
Regexp: / (< (ИмяТега) (?:\ s+|\/?>$) (?: (?:\ w+\s*=\s* [\’\"] (?:.*?) [\ ’\"])| (?:.*?))* >) (.*?) <\/ИмяТега>/smi

Выцарапывалка закрытых тегов из текста.

Кузявость основана на описанном выше регулярном. Вместо «ИмяТега» можно смело использовать \w+ — в этом случае выдернет все теги. Для открытых тегов нужно немного поправить окончание регекспа.
 

Для ищущих и до сих пор не нашедших:
  1. Regexlib — довольно интересная и динамично-наполняющаяся online-библиотека regexp’ов.
  2. Дока — отличная документация по синтаксису регулярных.



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[24.01.2013 18:10] SpeediaUttedo
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[24.01.2013 05:35] SpeediaUttedo
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[23.01.2013 23:51] SpeediaUttedo
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[01.01.2013 21:07] rhickicheSact
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[19.02.2012 13:40] Dave
Great atrcile, thank you again for writing.
[20.04.2009 09:25] ProFessor
Великолепно!
[11.04.2009 06:35] Компьютерщик
Благодарю за статью. Успехов Вам!
[09.07.2007 19:41] a1_exe
калуша с калушатами будут довольны  
[27.10.2005 10:39] Ермолай
Кузяво  

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