Valid ip addreses

Paste the text of your email in the "TEST STRING" text box. Then click

Vivaldi

Finds all unmatched smart quotes, double and single, but ignores close single smart quote when used as an apostrophe.

Matches ISBN-10 or ISBN-13 in any text (separator can be space or -). You still need to use code to compute checksum using the last digit to validate.

Здесь можно тренироваться с регулярками

Split Http(s) Response

An example of lookahead and lookbehind, both negative and positive. Allows to limit matches within specified limits without capture groups

MySQL DATETIME

you can change the word that you want to check begins within the string by changing the "test" word in the regex

This regex can detect if URL is Appstore app link

apdl flst

use to find unity components guid

regexp search in mongo db by nr

Parse file extension.

Seach pattern that doesn't match

| valid | invalid | |:----------|:------------| | 0.00 | 1 | | 0.99 | 1. | | 10.00 | 1.9 | | 999.99 | 1,99 |...

Get each word from a text.

trig:seq:lev\s+([+-]?\d+)

Encuentra texto con toble espacio