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Returns results found in a string #10

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Returns results found in a string #10

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17 changes: 17 additions & 0 deletions VerbalExpressions/VerbalExpressions.swift
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Original file line number Diff line number Diff line change
Expand Up @@ -252,6 +252,23 @@ extension VerbalExpressions: CustomStringConvertible {
public var description: String { return pattern }
}

//Return found substrings
extension VerbalExpressions {
func resultsFromString(string: String) -> [String] {
let range = NSRange(location: 0, length: string.utf16.count)
let results = regularExpression.matchesInString(string, options: [], range: range)
var strings: [String] = []
for result in results {
guard result.range.location != NSNotFound else { continue }
autoreleasepool {
let string = (string as NSString).substringWithRange(result.range)
strings.append(string)
}
}
return strings
}
}

// Match operators
// Adapted from https://gist.github.com/JimRoepcke/d68dd41ee2fedc6a0c67
infix operator =~ { associativity left precedence 140 }
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