PowerShell: String Methods

String are .NET objects, and have methods. String methods are more efficient than String Operators, and String Operators are more efficient than PowerShell Cmdlets. [see PowerShell: What is Cmdlet]

String Methods

# list string methods
"a" | Get-Member -MemberType Method

• System.Object Clone()
• System.Object ICloneable.Clone()

Clone

• System.Object Clone()
• System.Object ICloneable.Clone()

CompareTo

• int CompareTo(System.Object value)
• int CompareTo(string strB)
• int IComparable.CompareTo(System.Object obj)
• int IComparable[string].CompareTo(string other)

Contains

• bool Contains(string value)
• bool Contains(string value, System.StringComparison comparisonType)
• bool Contains(char value)
• bool Contains(char value, System.StringComparison comparisonType)

"abc".contains("bc")

CopyTo

• void CopyTo(int sourceIndex, char[] destination, int destinationIndex, int count)

EndsWith

• bool EndsWith(string value)
• bool EndsWith(string value, System.StringComparison comparisonType)
• bool EndsWith(string value, bool ignoreCase, cultureinfo culture)
• bool EndsWith(char value)

EnumerateRunes

• System.Text.StringRuneEnumerator EnumerateRunes()

Equals

• bool Equals(System.Object obj)
• bool Equals(string value)
• bool Equals(string value, System.StringComparison comparisonType)
• bool IEquatable[string].Equals(string other)

GetEnumerator

• System.CharEnumerator GetEnumerator()
• System.Collections.IEnumerator IEnumerable.GetEnumerator()
• System.Collections.Generic.IEnumerator[char] IEnumerable[char].GetEnumerator()

GetHashCode

• int GetHashCode()
• int GetHashCode(System.StringComparison comparisonType)

GetPinnableReference

?

GetType

• type GetType()

GetTypeCode

• System.TypeCode GetTypeCode()
• System.TypeCode IConvertible.GetTypeCode()

IndexOf

• int IndexOf(char value)
• int IndexOf(char value, int startIndex)
• int IndexOf(char value, System.StringComparison comparisonType)
• int IndexOf(char value, int startIndex, int count)
• int IndexOf(string value)
• int IndexOf(string value, int startIndex)
• int IndexOf(string value, int startIndex, int count)
• int IndexOf(string value, System.StringComparison comparisonType)
• int IndexOf(string value, int startIndex, System.StringComparison comparisonType)
• int IndexOf(string value, int startIndex, int count, System.StringComparison comparisonType)

IndexOfAny

• int IndexOfAny(char[] anyOf)
• int IndexOfAny(char[] anyOf, int startIndex)
• int IndexOfAny(char[] anyOf, int startIndex, int count)

Insert

• string Insert(int startIndex, string value)

"abc".Insert(1, "X")
# aXbc

IsNormalized

• bool IsNormalized()
• bool IsNormalized(System.Text.NormalizationForm normalizationForm)

LastIndexOf

• int LastIndexOf(char value)
• int LastIndexOf(char value, int startIndex)
• int LastIndexOf(char value, int startIndex, int count)
• int LastIndexOf(string value)
• int LastIndexOf(string value, int startIndex)
• int LastIndexOf(string value, int startIndex, int count)
• int LastIndexOf(string value, System.StringComparison comparisonType)
• int LastIndexOf(string value, int startIndex, System.StringComparison comparisonType)
• int LastIndexOf(string value, int startIndex, int count, System.StringComparison comparisonType)

LastIndexOfAny

• int LastIndexOfAny(char[] anyOf)
• int LastIndexOfAny(char[] anyOf, int startIndex)
• int LastIndexOfAny(char[] anyOf, int startIndex, int count)

Normalize

• string Normalize()
• string Normalize(System.Text.NormalizationForm normalizationForm)

PadLeft

• string PadLeft(int totalWidth)
• string PadLeft(int totalWidth, char paddingChar)

PadRight

• string PadRight(int totalWidth)
• string PadRight(int totalWidth, char paddingChar)

Remove

• string Remove(int startIndex, int count)
• string Remove(int startIndex)

Replace

• string Replace(string oldValue, string newValue, bool ignoreCase, cultureinfo culture)
• string Replace(string oldValue, string newValue, System.StringComparison comparisonType)
• string Replace(char oldChar, char newChar)
• string Replace(string oldValue, string newValue)

$x = "i love dogs"
$x.replace("dog", "cat")
$x
# i love dogs

Split

• string[] Split(char separator, System.StringSplitOptions options)
• string[] Split(char separator, int count, System.StringSplitOptions options)
• string[] Split(Params char[] separator)
• string[] Split(char[] separator, int count)
• string[] Split(char[] separator, System.StringSplitOptions options)
• string[] Split(char[] separator, int count, System.StringSplitOptions options)
• string[] Split(string separator, System.StringSplitOptions options)
• string[] Split(string separator, int count, System.StringSplitOptions options)
• string[] Split(string[] separator, System.StringSplitOptions options)
• string[] Split(string[] separator, int count, System.StringSplitOptions options)

StartsWith

• bool StartsWith(string value)
• bool StartsWith(string value, System.StringComparison comparisonType)
• bool StartsWith(string value, bool ignoreCase, cultureinfo culture)
• bool StartsWith(char value)

Substring

• string Substring(int startIndex)
• string Substring(int startIndex, int length)

"abcdefg".substring(1,2)
# bc

ToBoolean

• bool IConvertible.ToBoolean(System.IFormatProvider provider)

ToByte

• byte IConvertible.ToByte(System.IFormatProvider provider)

ToChar

• char IConvertible.ToChar(System.IFormatProvider provider)

ToCharArray

• char[] ToCharArray()
• char[] ToCharArray(int startIndex, int length)

ToDateTime

• datetime IConvertible.ToDateTime(System.IFormatProvider provider)

ToDecimal

• decimal IConvertible.ToDecimal(System.IFormatProvider provider)

ToDouble

• double IConvertible.ToDouble(System.IFormatProvider provider)

ToInt16

• short IConvertible.ToInt16(System.IFormatProvider provider)

ToInt32

• int IConvertible.ToInt32(System.IFormatProvider provider)

ToInt64

• long IConvertible.ToInt64(System.IFormatProvider provider)

ToLower

• string ToLower()
• string ToLower(cultureinfo culture)

ToLowerInvariant

• string ToLowerInvariant()

ToSByte

• sbyte IConvertible.ToSByte(System.IFormatProvider provider)

ToSingle

• float IConvertible.ToSingle(System.IFormatProvider provider)

ToString

• string ToString()
• string ToString(System.IFormatProvider provider)
• string IConvertible.ToString(System.IFormatProvider provider)

ToType

• System.Object IConvertible.ToType(type conversionType, System.IFormatProvider provider)

ToUInt16

• ushort IConvertible.ToUInt16(System.IFormatProvider provider)

ToUInt32

• uint IConvertible.ToUInt32(System.IFormatProvider provider)

ToUInt64

• ulong IConvertible.ToUInt64(System.IFormatProvider provider)

ToUpper

• string ToUpper()
• string ToUpper(cultureinfo culture)

"hi".ToUpper()

ToUpperInvariant

• string ToUpperInvariant()

Trim

• string Trim()
• string Trim(char trimChar)
• string Trim(Params char[] trimChars)

TrimEnd

• string TrimEnd()
• string TrimEnd(char trimChar)
• string TrimEnd(Params char[] trimChars)

TrimStart

• string TrimStart()
• string TrimStart(char trimChar)
• string TrimStart(Params char[] trimChars)