MQL5 ReferenceStandard LibraryStringsCStringLeft StrLenCopyFillAssignAppendInsertCompareCompareNoCaseLeftRightMidTrimTrimLeftTrimRightClearToUpperToLowerReverseFindFindRevRemoveReplace Left Gets a substring of a specified length from the beginning of a string. string Left( uint count // length ) Parameters count [in] Substring length. Return Value Resulted substring. CompareNoCase Right