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→Extended Regular Expressions
===Extended Regular Expressions===
'''Extended Regular Expressions''' consist of additional special characters the <br> to “extend” the capability of regular expressions.:
*'''Repetition {min,max}'''<br>
Allows for more precise repetitions. Using braces, you can specify the '''minimum''' and/or '''maximum''' number of repetitions.
*'''Grouping ( )'''<br>
Perhaps you want to search for repetition for a group of characters, a word, or a phase.<br>You can enclose them within brackets ( ) to specify a group.
*'''or Condition |'''<br>
Can be used with grouping to match a variety of character(s), words or phases. The | symbol is used to separate the variety of character(s).
