Delphi Basics : RTL By functionality : StringsCalcs

Type Name Summary

Function AnsiCompareStr Compare two strings for equality

Function AnsiCompareText Compare two strings for equality, ignoring case

Function AnsiContainsStr Returns true if a string contains a substring

Function AnsiContainsText Returns true if a string contains a substring, case insensitive

Function AnsiEndsStr Returns true if a string ends with a substring

Function AnsiIndexStr Compares a string with a list of strings - returns match index

Function AnsiLeftStr Extracts characters from the left of a string

Function AnsiLowerCase Change upper case characters in a string to lower case

Function AnsiMatchStr Returns true if a string exactly matches one of a list of strings

Function AnsiMidStr Returns a substring from the middle characters of a string

Function AnsiPos Find the position of one string in another

Function AnsiReplaceStr Replaces a part of one string with another

Function AnsiReverseString Reverses the sequence of letters in a string

Function AnsiRightStr Extracts characters from the right of a string

Function AnsiStartsStr Returns true if a string starts with a substring

Function AnsiUpperCase Change lower case characters in a string to upper case

Procedure AppendStr Concatenate one string onto the end of another

Function CompareStr Compare two strings to see which is greater than the other

Function CompareText Compare two strings for equality, ignoring case

Function Concat Concatenates one or more strings into one string

Function Copy Create a copy of part of a string or an array

Procedure Delete Delete a section of characters from a string

Function DupeString Creates a string containing copies of a substring

Function High Returns the highest value of a type or variable

Procedure Insert Insert a string into another string

Function LastDelimiter Find the last position of selected characters in a string

Function Length Return the number of elements in an array or string

Function LowerCase Change upper case characters in a string to lower case

Procedure Move Copy bytes of data from a source to a destination

Function Pos Find the position of one string in another

Procedure ProcessPath Split a drive/path/filename string into its constituent parts

Procedure SetLength Changes the size of a string, or the size(s) of an array

Procedure SetString Copies characters from a buffer into a string

Function StringOfChar Creates a string with one character repeated many times

Function StringReplace Replace one or more substrings found within a string

Function StrScan Searches for a specific character in a constant string

Function StuffString Replaces a part of one string with another

Type TReplaceFlags Defines options for the StringReplace routine

Function Trim Removes leading and trailing blanks from a string

Function TrimLeft Removes leading blanks from a string

Function TrimRight Removes trailing blanks from a string

Type TStringList Holds a variable length list of strings

Function UpCase Convert a Char value to upper case

Function UpperCase Change lower case characters in a string to upper case

Function WrapText Add line feeds into a string to simulate word wrap

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