Regex
Pattern Legend Example match \w Any alphanumeric character, including underscores a or 0 or _ \d Any digit 1 or 2 or 4 \s Any whitespace character ' ' + One or more (greedy) of the pattern or character \d+ matches 476373 \. The . character . * Zero or more (greedy) of the character or pattern \d* matches 03289 and '' | Either the first pattern, or the next, or the next (like OR) \d|\w matches 0 or a [] or () Character classes (defining what you expect to see in one character space) and character groupings (defining what you expect to see in a group) A matches [A-C] or (A|B|C) - Binds character groups [0-9]+ matches \d+