Verification number: ^ [0-9] * $
Verify the n-digit number: ^/d {n} $
Verify the number of at least N digits: ^/d {n,} $
Verify M-N digits: ^/d {m, n} $
Verify the number starting with zero or zero: ^ (0 | [1-9] [0-9] *) $
Verify the positive number of two decimal places: ^ [0-9] + (. [0-9] {2 })? $
Verify the positive number of 1-3 decimal places: ^ [0-9] + (. [0-9] {1, 3 })? $
Verify a non-zero positive integer: ^/+? [1-9] [0-9] * $
Verify a non-zero negative integer: ^/-[1-9] [0-9] * $
Verify non-negative integer (positive integer + 0) ^/d + $
Verify non-positive integer (negative integer + 0) ^ (-/d +) | (0 +) $
3 characters for verification: ^. {3} $
Verify a string consisting of 26 English letters: ^ [A-Za-Z] + $
Verify a string consisting of 26 uppercase letters: ^ [A-Z] + $
Verify a string consisting of 26 lower-case letters: ^ [A-Z] + $
Verify a string consisting of digits and 26 English letters: ^ [A-Za-z0-9] + $
Verify a string consisting of digits, 26 English letters, or underscores: ^/W + $
Verify User Password: ^ [A-Za-Z]/W {5, 17} $ the correct format is: it must start with a letter and be between 6 and 18 characters. It can only contain characters, numbers, and underscores.
Check whether ^ % & ',; =? $/"And other characters: [^ % & ',; =? $/X22] +
Verify Chinese characters: ^ [/u4e00-/u9fa5], {0,} $
Verify email address: ^/W + [-+.] /W +) * @/W + ([-.] /W + )*/. /W + ([-.] /W +) * $
Verify interneturl: ^ http: // ([/W-] +/.) + [/W-] + (/[/W -./? % & =] *)? $; ^ [A-Za-Z] +: // (W + (-W +) *) (. (W + (-W + )*))*(? S *)? $
Verification phone number: ^ (/d {3, 4}/) |/d {3, 4 }-)? /D {7, 8} $: -- the correct format is: XXXX-XXXXXXX, XXXX-XXXXXXXX, XXX-XXXXXXX, XXX-XXXXXXXX, xxxxxxx, XXXXXXXX.
ID number for verification (15 or 18 digits): ^/d {15} |/d {} 18 $
12 months of verification: ^ (0? [1-9] | 1 [0-2]) $ the correct format is: "01"-"09" and "1" "12"
31 days of verification for a month: ^ (0? [1-9]) | (1 | 2) [0-9]) | 30 | 31) $ the correct format is: 01, 09, 1, 31.
Integer: ^ -? /D + $
Non-negative floating point number (Positive floating point number + 0): ^/d + (/./d + )? $
Positive floating point number ^ ([0-9] + /. [0-9] * [1-9] [0-9] *) | ([0-9] * [1-9] [0-9] */. [0-9] +) | ([0-9] * [1-9] [0-9] *) $
Non-Positive floating point number (negative floating point number + 0) ^ (-/d + (/./d + )?) | (0 + (/. 0 + )?)) $
Negative floating point number ^ (-([0-9] + /. [0-9] * [1-9] [0-9] *) | ([0-9] * [1-9] [0-9] */. [0-9] +) | ([0-9] * [1-9] [0-9] *) $
Floating Point Number ^ (-? /D +) (/./d + )? $