Regular Expressions 101

Testing (delete)

Replaces preceeding directory with / when ../ is used.

(?=.*[A-Z]) # must contain 1 uppercase letter (?=.*[0-9]) # must contain 1 digit (?!.\n) # must not contain a newline character (?!.*\s) # must not contain any whitespace characters (?=.*[!$#+@%&]) # nust contain one of these symbols .{8,} # match a...

splits into command arguments: spaces split quotes keep spaced texts together \" escapes the quote

matches all positive or negative float or integers

Regex for validating Nigerian phone numbers using all mobile prefixes in the country

Validates DateTime of format YYYYMMDDhhmmss including Leap Year

seperates url path and query

Will only capture patterns matching 4 levels, found at the beginning of a line if /gm tag is used

Match switch case statemen in C++

Find the ID/name of facebook users/pages in widgets, or links.

For Visa, Mastercard, Discover, and AMEX

Yancharuk's code/regex

Can match all indian 10 digit mobile numbers (with or without country code,braces or prefixed 0)