function module to convert charcter in numeric

[former_member770121]

function module to check the string can be converted into numeric or not????? clearly explain please

[Sandra_Rossi]

DATA(char) = '123'.
DATA(num) = 0.

num = char.

ASSERT num = 123.

[Former Member]

DATA number TYPE i.
DATA is_convertible TYPE abap_bool.

TRY.

    number = tested_string.

    is_convertible = abap_true.

  CATCH cx_sy_conversion_no_number.

    is_convertible = abap_false.

ENDTRY.

[former_member770121]

i need with function module ?

[FredericGirod]

using Function module is not a best practice, FM is old school

use the the solution of gabmarian, this is how you should use ABAP today

[Former Member]

aya12

Then you create one with the coding above.

[retired_member]

Why a function module at all?

Read this

https://help.sap.com/doc/abapdocu_latest_index_htm/latest/en-US/index.htm?file=abenconversion_rules....

and this

https://help.sap.com/doc/abapdocu_latest_index_htm/latest/en-US/index.htm?file=abaptry.htm

and combine.

[ThorstenHoefer]

Hi Haya,

you can check if the character variable contains only numeric characters values with CO

if l_char co '0123456789'.
   ....

endif.