I want a regular expression that will accept only floating point numbers from 0 to 9 and minus sign.
Please help.
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I want a regular expression that will accept only floating point numbers from 0 to 9 and minus sign.
Please help.
^[-+]?[0-9]*\.?[0-9]+$^– start of string[-+]?– 0 or 1 sign indicator[0-9]*– 0 or more integers\.– the character.(.is used in regex to mean “any character”)[0-9]+– 1 or more integers$– the end of the stringIf you are instead using the comma as a decimal seperator, use
,instead of\.If you are using both/either, you can use
[.,]