Regex

import re
text = "..."
pattern = re.compile(r'abc')

matches = pattern.finditer(text)

for match in matches:
    print(match)

Regular Expressions Reference

Symbols

Symbol	Description
.	Everything but a new line
\d	Digits 0 - 9
\D	Not a digit
\w	(a-z, A-Z, 0-9, _)
\W	Not a "normal" character
\s	Whitespace (space, tab, new line)
\S	Not a Whitespace
\b	Word Boundary (space before)
^	Start of string
$	End of string

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More Symbols

Symbol	Description
[ ]	Matches character
[^ ]	Not in brackets
`	`
{3,4}	Range
[a-g]	Character between a & g
{3}	Exact
*	0 or more
+	1 or more
?	0 or 1

Escaping Special Characters

\. \* \\ - Escaped special characters

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Flags

Symbol	Description	Example
/i	Case-insensitive	/aBc/i would match AbC.
/m	Multiline. ^ and $ match start and end of lines.	/^[\s\S]+$/m
[]	Matches character