Regular Expression 測試 3 (Regular Expression Test 3)

只利用 Regex 來測試字串是否符合日期格式

/^(?:(?:[0-9]+-(?:(?:(?:0*(?:[13578]|(?:1[02])))-(?:0*(?:[1-9]|(?:[12][0-9])|(?:3[01]))))|(?:0*(?:[469]|(?:11))-(?:0*(?:[1-9]|(?:[12][0-9])|(?:30))))|(?:0*2-(?:0*(?:[1-9]|(?:1[0-9])|(?:2[0-8]))))))|(?:(?:(?:0*[048])|(?:[0-9]*(?:(?:0[48])|(?:[13579][26])|(?:[2468][048])))|(?:[0-9]*(?:(?:[48])|(?:[13579][26])|(?:[02468][048]))(?:00)))-(?:(?:(?:0*(?:[13578]|(?:1[02])))-(?:0*(?:[1-9]|(?:[12][0-9])|(?:3[01]))))|(?:0*(?:[469]|(?:11))-(?:0*(?:[1-9]|(?:[12][0-9])|(?:30))))|(?:0*2-(?:0*(?:[1-9]|(?:[12][0-9])))))))$/

共 512 個字元

Regular Expression 測試 2 (Regular Expression Test 2)

只利用 Regex 來測試字串是否符合 IPv4 格式

/^(?:0*(?:[0-9]|(?:[1-9][0-9])|(?:1[0-9][0-9])|(?:2[0-4][0-9])|(?:25[0-5]))[.]){3}(?:0*(?:[0-9]|(?:[1-9][0-9])|(?:1[0-9][0-9])|(?:2[0-4][0-9])|(?:25[0-5])))$/

共 158 個字元

Regular Expression 測試 1 (Regular Expression Test 1)

只利用 Regex 來測試字串是否符合24小時制時間格式

/^(?:0*(?:(?:1?[0-9])|(?:2[0-3]))):(?:0*(?:[1-5]?[0-9])):(?:0*(?:[1-5]?[0-9]))$/

共 80 個字元