object GpuRegExpUtils
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!=(arg0: Any): Boolean
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def
backrefConversion(rep: String): (Boolean, String)
Convert symbols of back-references if input string contains any.
Convert symbols of back-references if input string contains any. In spark's regex rule, there are two patterns of back-references: \group_index and $group_index This method transforms above two patterns into cuDF pattern ${group_index}, except they are preceded by escape character.
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replacement string
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A pair consists of a boolean indicating whether containing any backref and the converted replacement.
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def
countGroups(pattern: String): Int
Returns the number of groups in regexp (includes both capturing and non-capturing groups)
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def
isEmptyRepetition(pattern: String): Boolean
Recursively check if pattern contains only zero-match repetitions ?, *, {0,}, or {0,n} or any combination of them.
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- def tagForRegExpEnabled(meta: ExprMeta[_]): Unit
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def
toString(): String
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def
unescapeReplaceString(s: String): String
We need to remove escape characters in the regexp_replace replacement string before passing to cuDF.
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