PowerShell: String Operators
Operator names are case-insensitive.
String Length
"abc".length
Join String
Join String +
string can be joined by plus sign +.
# join string $x = "a" + "b"
"a"+"b"+"c" # "abc"
-Join operator
-Join (str1, str2 etc)-
Join strings. (Parenthesis required.)
-join ("a", "b", "c") # "abc"
(str1, str2 etc) -Join Delimiter-
Join strings with delimiter. delimiter is a string and can have multiple characters.
("a", "b", "c") -join " " # "a b c"
Join-String cmdlet
There is also a Join-String cmdlet.
-Split Operator
-Split str-
Split string by whitespace such as
`n,`t.Return a Array .
-split "cat dog"
-Split (str1, str2 etc)-
split multiple strings.
-Split ("a b", "c d") <# a b c d #>
str -Split delimiter-
- Use a delimiter.
- delimiter is a string, can be multiple characters.
- by default, delimiter is case-insensitive.
- by default, delimiter is interpreted as Regular Expression.
- The delimiters are removed from string. To include them in string, add parenthesis around it. For example:
"(,)"splits string by comma, but include it in the result array.
"a,b,c" -Split "," <# a b c #>
"a,b,c" -Split "(,)" <# a , b , c #>
str -Split delimiter, max-
- Split up to max count.
- Rest of string is concatenated as last element in array.
- Note, max is not the result length.
- Also, when including delimiter in result, it does not count towards max count.
"a b c" -Split " " , 1 <# a b c #> "a b c" -Split " " , 2 <# a b c #> "a b c" -Split " " , 3 <# a b c #>
str -Split delimiter, max, options-
Options is one of:
"SimpleMatch","SimpleMatch,IgnoreCase"- Comma separated string of one or more of
RegexMatch,IgnoreCase,CultureInvariant,IgnorePatternWhitespace,ExplicitCapture - Comma separated string of one of
Singleline,Multiline
str -Split {ScriptBlock}-
Use a script block.
str -Split {ScriptBlock}, Max-
Use a script block with Max
-iSplit-
Case-insensitive. Same as
-Split. -cSplit-
Case-sensitive.