using System;
using System.Text.RegularExpressions;
public class Example
{
public static void Main()
{
string pattern = @"(?:ExportSTL.+?global_scale = .+?default=)(.+?),";
string input = @"# ##### BEGIN GPL LICENSE BLOCK #####
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software Foundation,
# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
#
# ##### END GPL LICENSE BLOCK #####
# <pep8-80 compliant>
bl_info = {
""name"": ""STL format"",
""author"": ""Guillaume Bouchard (Guillaum)"",
""version"": (1, 1, 1),
""blender"": (2, 74, 0),
""location"": ""File > Import-Export > Stl"",
""description"": ""Import-Export STL files"",
""warning"": "",
""wiki_url"": ""http://wiki.blender.org/index.php/Extensions:2.6/Py/""
""Scripts/Import-Export/STL"",
""support"": 'OFFICIAL',
""category"": ""Import-Export"",
}
# @todo write the wiki page
""""
Import-Export STL files (binary or ascii)
- Import automatically remove the doubles.
- Export can export with/without modifiers applied
Issues:
Import:
- Does not handle endien
""""
if ""bpy"" in locals():
import importlib
if ""stl_utils"" in locals():
importlib.reload(stl_utils)
if ""blender_utils"" in locals():
importlib.reload(blender_utils)
import os
import bpy
from bpy.props import (StringProperty,
BoolProperty,
CollectionProperty,
EnumProperty,
FloatProperty,
)
from bpy_extras.io_utils import (ImportHelper,
ExportHelper,
orientation_helper_factory,
axis_conversion,
)
from bpy.types import Operator, OperatorFileListElement
IOSTLOrientationHelper = orientation_helper_factory(""IOSTLOrientationHelper"", axis_forward='Y', axis_up='Z')
class ImportSTL(Operator, ImportHelper, IOSTLOrientationHelper):
""""Load STL triangle mesh data""""
bl_idname = ""import_mesh.stl""
bl_label = ""Import STL""
bl_options = {'UNDO'}
filename_ext = "".stl""
filter_glob = StringProperty(
default=""*.stl"",
options={'HIDDEN'},
)
files = CollectionProperty(
name=""File Path"",
type=OperatorFileListElement,
)
directory = StringProperty(
subtype='DIR_PATH',
)
global_scale = FloatProperty(
name=""Scale"",
soft_min=0.001, soft_max=1000.0,
min=1e-6, max=1e6,
default=1.0,
)
use_scene_unit = BoolProperty(
name=""Scene Unit"",
description=""Apply current scene's unit (as defined by unit scale) to imported data"",
default=False,
)
def execute(self, context):
from . import stl_utils
from . import blender_utils
from mathutils import Matrix
paths = [os.path.join(self.directory, name.name)
for name in self.files]
scene = context.scene
# Take into account scene's unit scale, so that 1 inch in Blender gives 1 inch elsewhere! See T42000.
global_scale = self.global_scale
if scene.unit_settings.system != 'NONE' and self.use_scene_unit:
global_scale /= scene.unit_settings.scale_length
global_matrix = axis_conversion(from_forward=self.axis_forward,
from_up=self.axis_up,
).to_4x4() * Matrix.Scale(global_scale, 4)
if not paths:
paths.append(self.filepath)
if bpy.ops.object.mode_set.poll():
bpy.ops.object.mode_set(mode='OBJECT')
if bpy.ops.object.select_all.poll():
bpy.ops.object.select_all(action='DESELECT')
for path in paths:
objName = bpy.path.display_name(os.path.basename(path))
tris, pts = stl_utils.read_stl(path)
blender_utils.create_and_link_mesh(objName, tris, pts, global_matrix)
return {'FINISHED'}
class ExportSTL(Operator, ExportHelper, IOSTLOrientationHelper):
""""Save STL triangle mesh data from the active object""""
bl_idname = ""export_mesh.stl""
bl_label = ""Export STL""
filename_ext = "".stl""
filter_glob = StringProperty(default=""*.stl"", options={'HIDDEN'})
global_scale = FloatProperty(
name=""Scale"",
min=0.01, max=1000.0,
default=1.0,
)
use_scene_unit = BoolProperty(
name=""Scene Unit"",
description=""Apply current scene's unit (as defined by unit scale) to exported data"",
default=False,
)
ascii = BoolProperty(
name=""Ascii"",
description=""Save the file in ASCII file format"",
default=False,
)
use_mesh_modifiers = BoolProperty(
name=""Apply Modifiers"",
description=""Apply the modifiers before saving"",
default=False,
)
def execute(self, context):
from . import stl_utils
from . import blender_utils
import itertools
from mathutils import Matrix
keywords = self.as_keywords(ignore=(""axis_forward"",
""axis_up"",
""global_scale"",
""check_existing"",
""filter_glob"",
""use_scene_unit"",
""use_mesh_modifiers"",
))
scene = context.scene
# Take into account scene's unit scale, so that 1 inch in Blender gives 1 inch elsewhere! See T42000.
global_scale = self.global_scale
if scene.unit_settings.system != 'NONE' and self.use_scene_unit:
global_scale *= scene.unit_settings.scale_length
global_matrix = axis_conversion(to_forward=self.axis_forward,
to_up=self.axis_up,
).to_4x4() * Matrix.Scale(global_scale, 4)
faces = itertools.chain.from_iterable(
blender_utils.faces_from_mesh(ob, global_matrix, self.use_mesh_modifiers)
for ob in context.selected_objects)
stl_utils.write_stl(faces=faces, **keywords)
return {'FINISHED'}
def menu_import(self, context):
self.layout.operator(ImportSTL.bl_idname, text=""Stl (.stl)"")
def menu_export(self, context):
default_path = os.path.splitext(bpy.data.filepath)[0] + "".stl""
self.layout.operator(ExportSTL.bl_idname, text=""Stl (.stl)"")
def register():
bpy.utils.register_module(__name__)
bpy.types.INFO_MT_file_import.append(menu_import)
bpy.types.INFO_MT_file_export.append(menu_export)
def unregister():
bpy.utils.unregister_module(__name__)
bpy.types.INFO_MT_file_import.remove(menu_import)
bpy.types.INFO_MT_file_export.remove(menu_export)
if __name__ == ""__main__"":
register()
";
RegexOptions options = RegexOptions.Singleline;
Match m = Regex.Match(input, pattern, options);
Console.WriteLine("'{0}' found at index {1}", m.Value, m.Index);
}
}
Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for C#, please visit: https://msdn.microsoft.com/en-us/library/system.text.regularexpressions.regex(v=vs.110).aspx