This regex matches email regex matches websites links ending with sites of. or represents an alphanumeric character.
\d Backslash and d, matches digits 0 to 9, equivalent to or Conversely, Capital \W will match non-alphnumeric character and not underscore. \w Backslash and w, it is equivalent to, matches alphanumeric character or underscore. \n Backslash and n, represents a line break. For example, “\bwater” finds “watergun” but not “cleanwater” whereas “water\b” finds “cleanwater” but not “watergun”. \b Backslash and b, matches a word boundary. For example, the below regex treats the period as a normal character and it matches a.b only. \ Backslash, turns off the special meaning of the next character. For example, the below regular expression matches the the characher q if the charachter after q is not a digit, it will matches the q in those strings of abdqk, quit, qeig, but not q2kd, sdkq8d. ! Exclamation, do not matches the next character or regular expression. For example, the below regular expression matches col,cool,…,cooooooooooool,… + Plus, matches 1 or more characters in fron of the plus. For example, the below regular expression matches cl,col,cool,cool,…,coooooooooool,… * Asterisk, matches 0 or more characters in front of the asterisk. For example, the below regular expression matches apple and apples. ? Question mark, matches 1 or 0 character in front of the question mark. For example, the below regex matches, , and. ( ) Parentheses, groups one or more regular expressions. For example, the below regex matches kam, kbm, kcm, k2m, k3m, k4m and k5m. – Hyphen, used for representing a range of letters or numbers,often used inside a square bracket. For example, the below regex matches bad, bed, bcd, brd, and bod. For a complete description please visit ' and '' First of all, let's take a look at two special symbols: '' and ''. Square brackets, matches any single character from within the bracketed list. There follows some very basic examples of regular expression usage.
For example, the below regex matches a paragraph or a line ends with bye. $ Dollar sign, matches a term if the term appears at the end of a paragraph or a line. ^ Carat inside a bracket, for example, the below regex matches any characters but a, b, c, d, e. For example, the below regex matches a paragraph or a line starts with Apple. ^ Carat, matches a term if the term appears at the beginning of a paragraph or a line. For example, the below regex matches shirt, short and any character between sh and rt. Period, matches a single character of any single character, except the end of a line.
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