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New Contributor
Posts: 3

# Check that a string contains only (type of) character

Just wondering if there's a single function that will tell me whether a string contains only a specific characater. For example, if I have strings that are number codes of different lengths (e.g., "22313", "4525234", "33232") how can I flag ones that only contain "3"s in them (so yes to "3", "33", "333" and so on but no to "313", "3333313", "3338")?

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Solution
‎08-30-2017 06:18 PM
Posts: 1,848

## Re: Check that a string contains only (type of) character

To check does a numric variable contains only "3"s you may try:

if compress(var,'3') ne '' then ok; else not_ok;

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Regular Contributor
Posts: 249

## Re: Check that a string contains only (type of) character

try the function index Character Functions

Solution
‎08-30-2017 06:18 PM
Posts: 1,848

## Re: Check that a string contains only (type of) character

To check does a numric variable contains only "3"s you may try:

if compress(var,'3') ne '' then ok; else not_ok;

Super User
Posts: 10,850

## Re: Check that a string contains only (type of) character

```data have;
x="22313";output;
x="4525234";output;
x="33333";output;
run;
data want;
set have;
if verify(strip(x),'3') then flag='no ';
else flag='yes';
run;

```
☑ This topic is solved.