Hi I need a regular expression for email validation, it should excldue the email addresses with the following special characters.  \|/,;<> and spaces. The rule for validating the email is : Email address must contain a single @, one or more periods, and any standard characters with the exception of spaces and the ...

Hello, I want to find lines not containing certain words. My text: This is first line And this is second line I am third line... For example my word is "second", so regex schould matches only 1 (This is first line) and 3 (I am third line...) line. I'm programming in JAVA (java.util.regex.*). Thanks for help!

Good morning,   I have a string :   aa.98 sdfad   bb.98 sadf   cc.98 sadf  ....  I need to write it now, to find out. not in front of 98, or aa bb, all other characters. I now is : (?!aa|bb) \.98 results in a match. Please help, I come from China! English well, I do not know if you can understand what I ...