class_docstr: Lexer for Laurent Bercot's execline language
  (https://skarnet.org/software/execline).
  
  .. versionadded:: 2.7
code: def analyse_text(text):
      if shebang_matches(text, r"execlineb"):
          return 1
  
imports: import re
  from pygments.lexer import Lexer, RegexLexer, do_insertions, bygroups, include, default, this, using, words, line_re
  from pygments.token import Punctuation, Whitespace, Text, Comment, Operator, Keyword, Name, String, Number, Generic
  from pygments.util import shebang_matches
label_desc: Use image node_id 1 for calling the ExeclineLexer obj's underlying member method code with example usage: obj.analyse_text(text) and returns: int