Converting text to capital case, lower case, and title case

The previously blogged System.Globalization.CultureInfo class has some useful methods for converting text to upper case, lower case, and title case.

PS> [System.Globalization.CultureInfo]::CurrentCulture | gm


   TypeName: System.Globalization.CultureInfo

Name                           MemberType Definition
----                           ---------- ----------
ClearCachedData                Method     System.Void ClearCachedData()
Clone                          Method     System.Object Clone()
...
NumberFormat                   Property   System.Globalization.NumberFormatInfo NumberFormat {get;set;}
OptionalCalendars              Property   System.Globalization.Calendar[] OptionalCalendars {get;}
Parent                         Property   System.Globalization.CultureInfo Parent {get;}
TextInfo                       Property   System.Globalization.TextInfo TextInfo {get;}
ThreeLetterISOLanguageName     Property   System.String ThreeLetterISOLanguageName {get;}
...

PS> [System.Globalization.CultureInfo]::CurrentCulture.TextInfo


ANSICodePage   : 1252
OEMCodePage    : 850
MacCodePage    : 10000
EBCDICCodePage : 20285
LCID           : 2057
CultureName    : en-GB
IsReadOnly     : False
ListSeparator  : ,
IsRightToLeft  : False

PS> [System.Globalization.CultureInfo]::CurrentCulture.TextInfo | gm


   TypeName: System.Globalization.TextInfo

Name           MemberType Definition
----           ---------- ----------
Clone          Method     System.Object Clone()
Equals         Method     bool Equals(System.Object obj)
GetHashCode    Method     int GetHashCode()
GetType        Method     type GetType()
ToLower        Method     char ToLower(char c), string ToLower(string str)
ToString       Method     string ToString()
ToTitleCase    Method     string ToTitleCase(string str)
ToUpper        Method     char ToUpper(char c), string ToUpper(string str)
ANSICodePage   Property   System.Int32 ANSICodePage {get;}
CultureName    Property   System.String CultureName {get;}
EBCDICCodePage Property   System.Int32 EBCDICCodePage {get;}
IsReadOnly     Property   System.Boolean IsReadOnly {get;}
IsRightToLeft  Property   System.Boolean IsRightToLeft {get;}
LCID           Property   System.Int32 LCID {get;}
ListSeparator  Property   System.String ListSeparator {get;set;}
MacCodePage    Property   System.Int32 MacCodePage {get;}
OEMCodePage    Property   System.Int32 OEMCodePage {get;}

PS> [System.Globalization.CultureInfo]::CurrentCulture | gm

TypeName: System.Globalization.CultureInfo

Name MemberType Definition

---- ---------- ----------

ClearCachedData Method System.Void ClearCachedData()

Clone Method System.Object Clone()

...

NumberFormat Property System.Globalization.NumberFormatInfo NumberFormat {get;set;}

OptionalCalendars Property System.Globalization.Calendar[] OptionalCalendars {get;}

Parent Property System.Globalization.CultureInfo Parent {get;}

TextInfo Property System.Globalization.TextInfo TextInfo {get;}

ThreeLetterISOLanguageName Property System.String ThreeLetterISOLanguageName {get;}

...

PS> [System.Globalization.CultureInfo]::CurrentCulture.TextInfo

ANSICodePage : 1252

OEMCodePage : 850

MacCodePage : 10000

EBCDICCodePage : 20285

LCID : 2057

CultureName : en-GB

IsReadOnly : False

ListSeparator : ,

IsRightToLeft : False

PS> [System.Globalization.CultureInfo]::CurrentCulture.TextInfo | gm

TypeName: System.Globalization.TextInfo

Name MemberType Definition

---- ---------- ----------

Clone Method System.Object Clone()

Equals Method bool Equals(System.Object obj)

GetHashCode Method int GetHashCode()

GetType Method type GetType()

ToLower Method char ToLower(char c), string ToLower(string str)

ToString Method string ToString()

ToTitleCase Method string ToTitleCase(string str)

ToUpper Method char ToUpper(char c), string ToUpper(string str)

ANSICodePage Property System.Int32 ANSICodePage {get;}

CultureName Property System.String CultureName {get;}

EBCDICCodePage Property System.Int32 EBCDICCodePage {get;}

IsReadOnly Property System.Boolean IsReadOnly {get;}

IsRightToLeft Property System.Boolean IsRightToLeft {get;}

LCID Property System.Int32 LCID {get;}

ListSeparator Property System.String ListSeparator {get;set;}

MacCodePage Property System.Int32 MacCodePage {get;}

OEMCodePage Property System.Int32 OEMCodePage {get;}

These methods can be used thus:

PS> [System.Globalization.CultureInfo]::CurrentCulture.TextInfo.ToUpper("some text")
SOME TEXT
PS> [System.Globalization.CultureInfo]::CurrentCulture.TextInfo.ToTitleCase("some text")
Some Text
PS> [System.Globalization.CultureInfo]::CurrentCulture.TextInfo.ToLower("Some TEXT")
some text

PS> [System.Globalization.CultureInfo]::CurrentCulture.TextInfo.ToUpper("some text")

SOME TEXT

PS> [System.Globalization.CultureInfo]::CurrentCulture.TextInfo.ToTitleCase("some text")

Some Text

PS> [System.Globalization.CultureInfo]::CurrentCulture.TextInfo.ToLower("Some TEXT")

some text

Good to know!