Answer / sravan

1.String(item_a||item_b);/*String -> concatenates to
elements*/
2. SUBSTR(item_a,3,5); /* Substring -> returns first item
characters starting from second items count to last items
count, here if item_a = 'algebra' returns substr
contains 'gebra'*/
3.Translate(string,replacement_chars,chars to be replaced)
/*WRK_RQSTDEL_DATE = TRANSLATE
('GH/EF/CD',RQST_DELDATE,'ABCDEFGH'); */
4. verify (x,y); /*DCL MAINSTR CHAR(6) INIT ('ANUK ');
DCL SUBSTRG CHAR(2) INIT ('NA');
RTN = VERIFY(MAINSTR, SUBSTRG); */

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