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regex.go
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regex.go
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package readability
import (
"regexp"
)
var regexes map[string]*regexp.Regexp
func init() {
regexes = make(map[string]*regexp.Regexp)
regex, err := regexp.Compile(`/combx|comment|community|disqus|extra|foot|header|menu|remark|rss|shoutbox|sidebar|sponsor|ad-break|agegate|pagination|pager|popup/i`)
if err != nil {
panic(err)
}
regexes["unlikelyCandidatesRe"] = regex
regex, err = regexp.Compile(`/and|article|body|column|main|shadow/i`)
if err != nil {
panic(err)
}
regexes["okMaybeItsACandidateRe"] = regex
regex, err = regexp.Compile(`/article|body|content|entry|hentry|main|page|pagination|post|text|blog|story/i`)
if err != nil {
panic(err)
}
regexes["positiveRe"] = regex
regex, err = regexp.Compile(`/combx|comment|com-|contact|foot|footer|footnote|masthead|media|meta|outbrain|promo|related|scroll|shoutbox|sidebar|sponsor|shopping|tags|tool|widget/i`)
if err != nil {
panic(err)
}
regexes["negativeRe"] = regex
regex, err = regexp.Compile(`/<(a|blockquote|dl|div|img|ol|p|pre|table|ul)/i`)
if err != nil {
panic(err)
}
regexes["divToPElementsRe"] = regex
regex, err = regexp.Compile(`/(<br[^>]*>[ \n\r\t]*){2,}/i`)
if err != nil {
panic(err)
}
regexes["replaceBrsRe"] = regex
regex, err = regexp.Compile(`/<(\/?)font[^>]*>/i`)
if err != nil {
panic(err)
}
regexes["replaceFontsRe"] = regex
regex, err = regexp.Compile(`/^\s+|\s+$/`)
if err != nil {
panic(err)
}
regexes["trimRe"] = regex
regex, err = regexp.Compile(`/\s{2,}/`)
if err != nil {
panic(err)
}
regexes["normalizeRe"] = regex
regex, err = regexp.Compile(`/(<br\s*\/?>(\s| ?)*){1,}/`)
if err != nil {
panic(err)
}
regexes["killBreaksRe"] = regex
regex, err = regexp.Compile(`/http:\/\/(www\.)?(youtube|vimeo)\.com/i`)
if err != nil {
panic(err)
}
regexes["videoRe"] = regex
}