• ← StartOfString
• → StringExpression

StringCases

WMA link

StringCases["string", pattern]

gives all occurrences of pattern in string.

StringReplace["string", pattern -> form]

gives all instances of form that stem from occurrences of pattern in string.

StringCases["string", {$pattern_1$, $pattern_2$, ...}]

gives all occurrences of $pattern_1$, $pattern_2$, ....

StringReplace["string", pattern, n]

gives only the first n occurrences.

StringReplace[{"$string_1$“, ”$string_2$", ...}, pattern]

gives occurrences in $string_1$, $string_2$, ...

• • StringCases["axbaxxb", "a" ~~ x_ ~~ "b"]

• • StringCases["axbaxxb", "a" ~~ x__ ~~ "b"]

• • StringCases["axbaxxb", Shortest["a" ~~ x__ ~~ "b"]]

• • StringCases["-abc- def -uvw- xyz", Shortest["-" ~~ x__ ~~ "-"] -> x]

• • StringCases["-öhi- -abc- -.-", "-" ~~ x : WordCharacter .. ~~ "-" -> x]

• • StringCases["abc-abc xyz-uvw", Shortest[x : WordCharacter .. ~~ "-" ~~ x_] -> x]

• • StringCases["abba", {"a" -> 10, "b" -> 20}, 2]

• • StringCases["a#ä_123", WordCharacter]

• • StringCases["a#ä_123", LetterCharacter]