Validation for Text field for country calling codes

Question

Hi All, 
 I have a requirement where i have to add validation on a text field and the validation is like + and three integer. 
 please help me out with this. 
 thanks.

Harshit Bumb (Appyzie) · Answer

You can use the code below for it. and(
 len(ri!text)<=4,
 a!forEach(
 items: code(ri!text),
 expression: or(
 fv!item=43,
 and(
 fv!item>=48,
 fv!item<=57
 )
 )
 )
)

Jones Prakash Selvaraj · Answer

The below code also should work. If the first character has to be a "+" and the rest should be three number digits 
 regexmatch(
 "^\+([0-9]{3})$",
 ri!text
)

Validation for Text field for country calling codes

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