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→Extended Regular Expressions
'''Repetition {min,max}''' , '''?''' , '''+'''�<br>
Allows for more precise repetitions. Using braces, you can specify the minimum and maximum number of repetitions.
'''Grouping ( )'''<br>
Perhaps you want to search for repetition for �a groups a group of characters, a word, or a phase. �You can enclose them within brackets ( ) to�specify to specify a group.