Regular Expressions 101

Validate Phone number even if contain country code

retrieve multiple lines from an email body.

This expression converts any 3- or 4 digit timevalue to a value with colon between hours and minutes. So 345 is converted to 3:45 and 1500 is converted to 15:00

Nickname validation. Only: letters _ One line. Tested with RoR

Find single digits that are not part of an integer. For example, "27" should not match, but "27.1" will match the "1". "27.11" won't match.

exludes all address with po box

this is the most perfect pattern I reach for url with query or anchor

Extract jsfiddle links

insert[\s]+into[\s]+\([\s](?.?)[\s]\)[\s]+values[\s]+\((?.?)[\s]*\);

insert into table ( a, b, c ) values ( " insert into values (1,2,3)",1,2.3,"a,b" ); insert into table (ee,bb,cc) values (aa,234,"asj",2.3);

Let's say a phone number is valid in case it has 11 digits (or 13 in case we use 00 instead of + ). Take those lines to common format. original idea was to remove all non-digit characters from those lines with simple match like but combined with look-ahead it just did not work, had to go through ea...

Regex to match R-G-B and Opacity with/without "," and even RGBA text It will match rgba(x,x,x,x.x) rgba (x x X x.x) x,x,x,x.x x x x x.x...