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based on an earlier version of the Wolfram Language.
View current documentation (Version 11.2)

SameQ (===)StringToStream

StringMatchQ

FilledSmallSquareStringMatchQ["string", "pattern"] yields True if string matches the specified string pattern, and yields False otherwise.

FilledSmallSquare The pattern string can contain literal characters, together with the metacharacters * and @ specified in Section A.3.13.

FilledSmallSquare Example: StringMatchQ["apppbb", "a*b"] LongRightArrow.

FilledSmallSquare Setting the option IgnoreCase -> True makes StringMatchQ treat lower- and upper-case letters as equivalent.

FilledSmallSquare Setting the option SpellingCorrection -> True makes StringMatchQ allow strings to match even if a small fraction of their characters are different.

FilledSmallSquare See The Mathematica Book: Section 2.7.3.

FilledSmallSquare See also: StringPosition, Equal, Names, MatchQ.

Further Examples

SameQ (===)StringToStream