MQL5 ReferenceStandard LibraryStringsCStringTrimLeft StrLenCopyFillAssignAppendInsertCompareCompareNoCaseLeftRightMidTrimTrimLeftTrimRightClearToUpperToLowerReverseFindFindRevRemoveReplace TrimLeft Removes all characters within a set (as well as ' ','\t','\r','\n') at the beginning of a string from this string. int TrimLeft( const string targets // set ) Parameters targets [in] Set of characters to remove. Return Value Number of characters removed. Trim TrimRight