
Decimal or numeric values in regular expression validation
May 11, 2010 · I am trying to use a regular expression validation to check for only decimal values or numeric values. But user enters numeric value, it don't be first digit "0" How do I do that?
regex - Grep regular expression for digits in character string of ...
I need some way to find words that contain any combination of characters and digits but exactly 4 digits only, and at least one character. EXAMPLE: a1a1a1a1 // Match 1234 // NO ...
Regex to match digits of specific length - Stack Overflow
You can generally do ranges as follows: \d{4,7} which means a minimum of 4 and maximum of 7 digits. For your particular case, you can use the one-argument variant, \d{15}. Both of these …
What's the difference between str.isdigit (), isnumeric () and ...
The Python documentation notes the difference between the three methods. str.isdigit Return true if all characters in the string are digits and there is at least one character, false otherwise. …
How to take the nth digit of a number in python - Stack Overflow
Sep 23, 2016 · This solution solves many more "digit of a number" problems than the one using integer division and modulus. Try to find the leading (left-most) digit of the following numbers …
regex - 6 digits regular expression - Stack Overflow
Nov 11, 2014 · You can use range quantifier {min,max} to specify minimum of 1 digit and maximum of 6 digits as: ^[0-9]{1,6}$ Explanation: ^ : Start anchor [0-9] : Character class to …
How many digits can float8, float16, float32, float64, and float128 ...
For float64: 9007199254740993, with 16 decimal digits So, there are 4-, 8-, and 16-digit integers that can't be stored exactly, but everything smaller can. Thus: float16 supports a maximum of …
python - Does "\d" in regex mean a digit? - Stack Overflow
Decimal digit character: \d \d matches any decimal digit. It is equivalent to the \p {Nd} regular expression pattern, which includes the standard decimal digits 0-9 as well as the decimal digits …
regex in SQL to detect one or more digit - Stack Overflow
Dec 27, 2013 · regex in SQL to detect one or more digit Asked 11 years, 6 months ago Modified 3 years, 5 months ago Viewed 42k times
How to get the separate digits of an int number? - Stack Overflow
I have numbers like 1100, 1002, 1022 etc. I would like to have the individual digits, for example for the first number 1100 I want to have 1, 1, 0, 0. How can I get it in Java?