java - Phone number validation regex for length and numeric values -

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• a comprehensive regex phone number validation 36 answers

i have validate phone number based on following criteria,

it should take numeric values. minimum 10 , maximum 15 

how can write regular expression in java satisfying above? new regular expressions.

try regular expression

^\\d{10,15}$ 

here \d predefined character class digits
{10, 15} quantifier stands repeat of 10 15 times of previous pattern

ex:

string input = "1234567890"; pattern pattern = pattern.compile("^\\d{10,15}$"); if (pattern.matcher(input).find()) {     system.out.println("valid"); }