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What is the regular expression for a 10 digit numeric number (no special characters and no decimal).
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To check for all numbers in a field To get a string contains only numbers (0-9) we use a regular expression (/^[0-9]+$/) which allows only numbers. Next, the match() method of the string object is used to match the said regular expression against the input value.
In this case, [0-9]+ matches one or more digits. A regex may match a portion of the input (i.e., substring) or the entire input. In fact, it could match zero or more substrings of the input (with global modifier). This regex matches any numeric substring (of digits 0 to 9) of the input.
The [0-9] expression is used to find any character between the brackets. The digits inside the brackets can be any numbers or span of numbers from 0 to 9. Tip: Use the [^0-9] expression to find any character that is NOT a digit.
replace(/[^\w]/g, ' ') .
Use this regular expression to match ten digits only:
@"^\d{10}$" To find a sequence of ten consecutive digits anywhere in a string, use:
@"\d{10}" Note that this will also find the first 10 digits of an 11 digit number. To search anywhere in the string for exactly 10 consecutive digits and not more you can use negative lookarounds:
@"(?<!\d)\d{10}(?!\d)" Use the following pattern.
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