Regular Expressions 101

Group 1([a-zA-Z]+)

Character Class[a-zA-Z]+

+matches at least one character from the set below:

a-zone character from a (97₁₀) to z (122₁₀) (case sensitive)

A-Zone character from A (65₁₀) to Z (90₁₀) (case sensitive)

Negative Lookbehind(?<!default)

defaultthe literal text default (case sensitive)

:the literal : (58₁₀ / 72₈ / 3A₁₆)

Group 2([a-zA-Z]+)

Character Class[a-zA-Z]+

+matches at least one character from the set below:

a-zone character from a (97₁₀) to z (122₁₀) (case sensitive)

A-Zone character from A (65₁₀) to Z (90₁₀) (case sensitive)

\ban ASCII word boundary

Negative Lookahead(?!\<)

\<the literal < (60₁₀ / 74₈ / 3C₁₆)

Global pattern flags

g modifier: global. Finds all matches instead of stopping after the first

m modifier: multiline. Causes ^ and $ to match the start and end of each line, not only the start and end of the string

Detailed match information will be displayed here automatically.

Search reference

Regular Expression

([a-zA-Z]+)(?<!default):([a-zA-Z]+)\b(?!\<)

Test String
New

		foreach (mb:tMapBlock  in MapBlockCollList){
		foreach (obj:PhysicalObject  in Class){

Local List:List<object>;
    June 29, 2017, 28 12:43 AM �
		MBListCount:+1;
			default:m.enabled = !m.enabled;

Substitution
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$2 $1

Regular Expression

Test StringNew

SubstitutionProcessing...

Test String
New

Substitution
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