'
' String manipulation functions
'

FUNCTION StrRemove$ (myString$, whatToRemove$) 'noncase sensitive
    a$ = myString$
    b$ = LCASE$(whatToRemove$)
    i = INSTR(LCASE$(a$), b$)
    DO WHILE i
        a$ = LEFT$(a$, i - 1) + RIGHT$(a$, LEN(a$) - i - LEN(b$) + 1)
        i = INSTR(LCASE$(a$), b$)
    LOOP
    StrRemove$ = a$
END FUNCTION

FUNCTION StrReplace$ (myString$, find$, replaceWith$) 'noncase sensitive
    IF LEN(myString$) = 0 THEN EXIT FUNCTION
    a$ = myString$
    b$ = LCASE$(find$)
    basei = 1
    i = INSTR(basei, LCASE$(a$), b$)
    DO WHILE i
        a$ = LEFT$(a$, i - 1) + replaceWith$ + RIGHT$(a$, LEN(a$) - i - LEN(b$) + 1)
        basei = i + LEN(replaceWith$)
        i = INSTR(basei, LCASE$(a$), b$)
    LOOP
    StrReplace$ = a$
END FUNCTION
