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validation on text field how to configure this

  • March 19, 2026
  • 1 reply
  • 13 views

Description 
Aallow users to enter the Cost using either a comma (,) or a decimal point (.) as the separator for fractional values. This change applies only at the survey level.
Validation Cases 
•    Users must be able to enter the amount for cost using:   

  •   Allowed formats:   
  •     Decimal point: 123.45 
  •     Comma as decimal: 123,45 
  •     Commas as thousand separators: 1,000 or 1,000.00 
  •  Both formats should be accepted without error. 

o    Validation constraints:   

  •    Only one decimal separator (either . or ,) is allowed. 
  •     Maximum two digits after decimal. 
  •     Multiple commas are allowed for thousand separators, but the last comma can act as decimal if followed by up to two digits. 

o    Valid Inputs

  •     10000 → integer 
  •     10,000 → thousand separator 
  •     10,000.00 → thousand + decimal point 
  •     00 → decimal point 
  •     10000,00 → decimal comma

Whole numbers

  •     10
  •     100
  •     1000
  •     10000
  •     100000
  •     1000000

    Decimal formats

  •     1,0 → 1
  •     1.0 → 1
  •     1,00 → 1
  •     1.00 → 1

    Thousand separators

  •    1,000 → 1000
  •     1.000 → 1000

    Mixed formats

  •     1,000,0 -> 1000
  •     1.000.0 -> 1000
  •     1,000,00 -> 1000 
  •     1.000.00 -> 1000 

o    Invalid Inputs- 

  •    1000,000
  •     100,0000
  •     1,0000
     

1 reply

  • Level 4 ●●●●
  • March 20, 2026

I think you dont need JS to do this. You can use Regex in the validaton to achive this.