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A wildcard is a character that can be used in a search term or filter to represent one or more unknown characters. Wildcard characters differ depending upon what is being searched.
•Asterisk * matches a string of zero, one, or more unknown characters.
Example, *.* will match any file name with any file extension.
Example, *.txt will match any file name with a .txt extension.
•Question Mark ? matches any single unknown character.
Example, File????.* would match FileName.txt or File2025.csv but would not match FileSample.txt or File125.csv.
•Square Brackets [ ] can be used to match any single character within the specified range or set.
Example, File[A-Z].* would match FileA.txt or FileB.csv but would not match File1.txt or File2.csv.
Example, File[135].* would match File1.txt or File5.csv but would not match File2.txt or FileA.csv.
•Square Brackets with Exclamation Point [ ! ] can be used to match any single character not within the specified range or set.
Example, File[!A-Z].* would match File2.txt or File8.csv but would not match FileA.txt or FileB.csv.
Example, File[!135].* would match File8.txt or FileA.txt but would not match File3.txt or File5.csv.
•Percent Sign % matches a string of zero, one, or more unknown characters.
Example, % will match any word or phrase with any number and type of characters.
•Underscore _ matches any single unknown character.
Example, Column_ will match Columns or Column5 but will not match ColumnName or Column15.
Example, Column__ will match Column A or Column15 but will not match ColumnName or Column5.
•Square Brackets [ ] can be used to match any single character within the specified range or set.
Example, Sample[A-Z] would match SampleA or SampleB but would not match Sample1 or Sample2.
Example, Sample[135] would match Sample1 or Sample5 but would not match Sample2 or SampleA.
•Square Brackets with Caret [ ^ ] can be used to match any single character not within the specified range or set.
Example, Sample[^A-Z] would match Sample2 or Sample8 but would not match SampleA or SampleB.
Example, Sample[^135] would match Sample8 or SampleA but would not match Sample1 or Sample5.
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