Use SAP Function module NUMERIC_CHECK to check whether a variable contains numeric value or character.
DATA: g_type TYPE dd01v-datatype. DATA: g_string(10) TYPE c. g_string = 'Hello'. *Check whether first character of material description is NUMERIC or CHAR CALL FUNCTION 'NUMERIC_CHECK' EXPORTING string_in = g_string IMPORTING htype = g_type. WRITE:/ 'The Value ', g_string, ' is a ',g_type. g_string = '25'. *Check whether first character of material description is NUMERIC or CHAR CALL FUNCTION 'NUMERIC_CHECK' EXPORTING string_in = g_string IMPORTING htype = g_type. WRITE:/ 'The Value ', g_string, ' is a ',g_type.
Output