SAP LIST_ALLOW_SEQUENCE_OF_HYPHENS Function Module for Control of the character for which the ULINE automation is valid
LIST_ALLOW_SEQUENCE_OF_HYPHENS is a standard list allow sequence of hyphens SAP function module available within SAP R/3 or S/4 Hana systems, depending on your version and release level. It is used for Control of the character for which the ULINE automation is valid processing and below is the pattern details for this FM, showing its interface including any import and export parameters, exceptions etc. there is also a full "cut and paste" ABAP pattern code example, along with implementation ABAP coding, documentation and contribution comments specific to this or related objects.
See here to view full function module documentation and code listing for list allow sequence of hyphens FM, simply by entering the name LIST_ALLOW_SEQUENCE_OF_HYPHENS into the relevant SAP transaction such as SE37 or SE38.
Function Group: SYSF
Program Name: SAPLSYSF
Main Program: SAPLSYSF
Appliation area: S
Release date: 22-Aug-1997
Mode(Normal, Remote etc): Normal Function Module
Update:

Function LIST_ALLOW_SEQUENCE_OF_HYPHENS pattern details
In-order to call this FM within your sap programs, simply using the below ABAP pattern details to trigger the function call...or see the full ABAP code listing at the end of this article. You can simply cut and paste this code into your ABAP progrom as it is, including variable declarations.CALL FUNCTION 'LIST_ALLOW_SEQUENCE_OF_HYPHENS'"Control of the character for which the ULINE automation is valid.
EXPORTING
* CHARACTER = '_' "Character whose repeats should become ULINE
IMPORTING Parameters details for LIST_ALLOW_SEQUENCE_OF_HYPHENS
CHARACTER - Character whose repeats should become ULINE
Data type: CDefault: '_'
Optional: Yes
Call by Reference: No ( called with pass by value option)
Copy and paste ABAP code example for LIST_ALLOW_SEQUENCE_OF_HYPHENS Function Module
The ABAP code below is a full code listing to execute function module POPUP_TO_CONFIRM including all data declarations. The code uses the original data declarations rather than the latest in-line data DECLARATION SYNTAX but I have included an ABAP code snippet at the end to show how declarations would look using the newer method of declaring data variables on the fly. This will allow you to compare and fully understand the new inline method. Please note some of the newer syntax such as the @DATA is not available until a later 4.70 service pack (SP8), which i why i have stuck to the origianl for this example.| DATA: | ||||
| lv_character | TYPE C. " '_' |
|   CALL FUNCTION 'LIST_ALLOW_SEQUENCE_OF_HYPHENS' "Control of the character for which the ULINE automation is valid |
| EXPORTING | ||
| CHARACTER | = lv_character | |
| . " LIST_ALLOW_SEQUENCE_OF_HYPHENS | ||
ABAP code using 7.40 inline data declarations to call FM LIST_ALLOW_SEQUENCE_OF_HYPHENS
The below ABAP code uses the newer in-line data declarations. This allows you to see the coding differences/benefits of the later inline syntax. Please note some of the newer syntax below, such as the @DATA is not available until 4.70 EHP 8.| DATA(ld_character) | = '_'. | |||
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