Regular expressions commonly used in development

Regular expressions are used for string processing, form verification, and other occasions, which are practical and efficient. Some common expressions are collected here for future use.

Regular Expression matching Chinese characters: [\ u4e00-\ u9fa5]

Regular Expressions matching HTML tags (1): <(\ s *?) [^>] *> .*? </\ 1> | <.*? />

Regular Expressions matching HTML tags (2): <[\ w | \ W] +?>

The regular expression matching the email address: \ W + ([-+. '] \ W +) * @ \ W + ([-.] \ W + )*\. \ W + ([-.] \ W + )*

Match the regular expression of the URL (1): HTTP (s )? : // ([\ W-] + \.) + [\ W-] + (/[\ W -./? % & =] *)?

Regular Expression matching URL (2): [A-Za-Z] +: // [^ \ s] *

The regular expression that matches the IP Address: \ D + \. \ D +

Regular Expression matching Date: ^ (d {2} | D {4})-(0 ([1-9] {1 })) | (1 [1 | 2])-([0-2] ([1-9] {1}) | (3 [0 | 1]) $

Regular Expression matching Date: ^ \ D {17} [\ d | x] | \ D {15} $