[xquery-talk] regexp help

[pooja singh]

Greetings All!

I am trying to write a regular expression that match a string that has only digits but no letter or anything else. 

For example 12.6 Days should not match in the regular expression

But 1100 should match . There can be upto 15 digits in the string

if (fn:matches($fileNumber/text(),"\d[0..15]")) then

$fileNumber/text()

else

'0'

The above regular expression matches 12.3 Days also, it should return ) instead.

Could someone please suggest how to write regular expression that will return string (of digits) if it has only digits. If the string has a mix of digits with letter then it should return zero.

Thanks,

Pooja

 

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