Ajuda del LibreOffice 24.8
Troba i extreu, o opcionalment reemplaça, text, fent servir expressions regulars.
REGEX( Text ; Expression [ ; [ Replacement ] [ ; Flags|Occurrence ] ] )
Text: A text or reference to a cell where the regular expression is to be applied.
Expression: A text representing the regular expression, using ICU regular expressions. If there is no match and Replacement is not given, #N/A is returned.
Replacement: Optional. The replacement text and references to capture groups. If there is no match, Text is returned unmodified.
Flags: Optional. "g" replaces all matches of Expression in Text, not extracted. If there is no match, Text is returned unmodified.
Occurrence: Optional. Number to indicate which match of Expression in Text is to be extracted or replaced. If there is no match and Replacement is not given, #N/A is returned. If there is no match and Replacement is given, Text is returned unmodified. If Occurrence is 0, Text is returned unmodified.
=REGEX("123456ABCDEF";"[:digit:]";"Z") returns "Z23456ABCDEF", where the first match of a digit is replaced by "Z".
=REGEX("123456ABCDEF";"[:digit:]";"Z";"g") retorna «ZZZZZZABCDEF», on tots els dígits es van reemplaçar per «Z».
=REGEX("123456ABCDEF";"[126]";"";"g") returns "345ABCDEF", where any occurrence of "1", "2" or "6" is replaced by the empty string, thus deleted.
=REGEX("axbxcxd";".x";;2) returns "bx", the second match of ".x".
=REGEX("axbxcxd";"(.)x";"$1y";2) returns "axbycxd", the second match of "(.)x" (i.e. "bx") replaced with the captured group of one character (i.e. "b") followed by "y".
ORG.LIBREOFFICE.REGEX