正则表达式
时间：美国（）
^(((0[1-9]|1[012])/(0[1-9]|1\d|2[0-8])|(0[13456789]|1[012])/(29|30)|(0[13578]|1[02])/31)/[2-9]\d{3}|02/29/(([2-9]\d)(0[48]|[2468][048]|[13579][26])|(([2468][048]|[3579][26])00)))$
Description: My meager attempt at a date validator with leap years using a strict mm/dd/yyyy format.
Matches: 02/29/2084|||01/31/2000|||11/30/2000
Non-Matches: 02/29/2083|||11/31/2000|||01/32/2000
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整数：
Title: Pattern Title [Details] [Test]
Expression: ^\d+$
Description: This is derived from Steven Smith's Integer expression (http://www.regexlib.com/REDetails.aspx?regexp_id=51). The only difference is that this does not accept blanks. Written by Jason N. Gaylord.
Matches: 2|||50|||0
Non-Matches: -15|||1.2
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小数：
Title: Pattern Title [Details] [Test]
Expression: (^\d*\.?\d*[0-9]+\d*$)|(^[0-9]+\d*\.\d*$)
Description: This matches all positive decimal values. There was one here already which claimed to but would fail on value 0.00 which is positive AFAIK...
Matches: 0.00|||1.23|||4.5655
Non-Matches: -1.03|||-0.01|||-0.00
Author: Derek Noonan
Title: Pattern Title [Details] [Test]
Expression: ^[0-9]*(\.)?[0-9]+$
Description: it will check for the +ve decimal numbers
Matches: 1|||123|||132.132
Non-Matches: 1.2.2|||-123
Author: himraj love
