Limit digits of whole/integral part of a decimal number using regex
Solution 1:
Try this regex:
^[1-9]\d{0,3}(?:\.\d{1,2})?
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Explanation:
-
^- matches the start of the string -
[1-9]- matches a single digit in the range1to9 -
\d{0,3}- matches at-least 0 or at-most 3 occurrences of any digit -
(?:\.\d{0,2})?- matches the optional decimal and fractional part of the number. The fractional part matched will have atleast 1 digit or at most 2 digits
Edit:
To extract 8. for inputs 8.a, you can change the regex to - ^[1-9]\d{0,3}(?:\.\d{0,2})?