EControl Syntax Editor 

Powerful text editor with syntax highlighting, text folding, text structure tree view... The unique and more important feature is 100% customizable lexer, so you can adjust it for any type of text file. Fast working even with huge files.
syntax editor edit control folding text format html xml lexer analysis plain text xml

EControl Syntax Editor SDK 

Powerful text editor control with syntax highlighting, text folding, text structure tree view... The unique and more important feature is 100% customizable lexer, so you can adjust it for any type of text file. Library contains 19 components.
syntax editor edit control folding text format html xml lexer analysis highlighting php