String Functions - MQL5 Documentation

Documentation

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MQL5 ReferenceString Functions

String Functions

This is a group of functions intended for working with data of the string type.

Function	Action
StringAdd	Adds a string at the place of indicated substring
StringBufferLen	Returns the size of buffer distributed for the string
StringConcatenate	Forms a string of parameters passed
StringFill	Fills out a specified string by selected symbols
StringFind	Search for a substring in a string
StringGetCharacter	Returns the value of a number located in the specified string position
StringInit	Initializes string by specified symbols and provides the specified string length
StringLen	Returns the number of symbols in a string
StringSetCharacter	Returns a copy of a string with a changed value of a symbol in a specified position
StringSubstr	Extracts a substring from a text string starting from a specified position
StringToLower	Transforms all symbols of a selected string into capitals by location
StringToUpper	Transforms all symbols of a selected string to lowercase by location
StringTrimLeft	Cuts line feed characters, spaces and tabs in the left part of the string
StringTrimRight	Cuts line feed characters, spaces and tabs in the right part of the string

MathIsValidNumber

StringAdd