Matching only the beginning of a word/phrase vs throughout the word/phrase

1. How do you search for a regex pattern at the beginning of a string?
2. How do you match multiple words in regex?
3. What is \\ W in regex?
4. How do you search for a regex pattern at the beginning of a string Python?

How do you search for a regex pattern at the beginning of a string?

The meta character “^” matches the beginning of a particular string i.e. it matches the first character of the string. For example, The expression “^\d” matches the string/line starting with a digit. The expression “^[a-z]” matches the string/line starting with a lower case alphabet.

How do you match multiple words in regex?

However, to recognize multiple words in any order using regex, I'd suggest the use of quantifier in regex: (\b(james|jack)\b. *)2, . Unlike lookaround or mode modifier, this works in most regex flavours.

What is \\ W in regex?

In regex, the uppercase metacharacter denotes the inverse of the lowercase counterpart, for example, \w for word character and \W for non-word character; \d for digit and \D or non-digit.

How do you search for a regex pattern at the beginning of a string Python?

match() function of re in Python will search the regular expression pattern and return the first occurrence. The Python RegEx Match method checks for a match only at the beginning of the string. So, if a match is found in the first line, it returns the match object.